Peterbilt 389 Schematic (2024)

Peterbilt 389 Schematic (1)

Schematic - 379 Model Family Electrical

P94-6023

C

01

SH

NO.

1) INDEX

2) HARNESS ARCHITECTURE

3) LOCATION OF MAJOR COMPONENTS

4) LOCATION OF MAJOR COMPONENTS

5) SYMBOLS INDEX

6) SYMBOLS INDEX ( CONTIN UED )

7) SYMBOLS INDEX ( CONTIN UED )

8) SYMBOLS INDEX ( CONTIN UED )

9) CHARGE AND START

10) POWER DISTRIBUTION - UNSWITCHED CIRCUITS

11) POWER DISTRIBUTION - IGNITION SWITCHED CIRCUITS

12) POWER DISTRIBUTION - ACCESSORY SWITCHED CIRCUITS

13) POWER DISTRIBUTION - CIRCUIT BREAKER - ENGINE

14) TURN SIGNALS / HAZARD LIGHTS

15) STOP LAMPS

16) MARKER / CLEARANCE LAMPS / LEFT POLE / RIGHT POLE

17) HEADLAMPS

18) BACK - UP LIGHT SWITCH

19) DAYCAB AD / LOADLIGHTS

20) SLEEPER AD / LOADLIGHTS - 48" / 63" HIGH ROOF

21) FOG LIGHTS

22) CAB DOOR LOCKS

23) REMOTE KEYLESS ENTRY RELAY - OPTIONAL

24) CAB DOME LIGHT / DOOR LAMPS / DOOR JAMB / ALARM

25) CAB FOOTLIGHTS / CIGAR LIGHTER / POWER POINT / B - PANEL POWER POINT

26) 48" / 63" HIGH ROOF SLEEPER LIGHTS / DOOR LOCK / DOOR JAMB

27) 48" / 63" HIGH ROOF SLEEPER POWER ACCESS OUTLETS

28) 48" / 63" LOW ROOF SLEEPER

29) 70" SLEEPER

30) 36" SLEEPER

31) LH DOOR ELECTRIC WINDOW LIFT

32) RH DOOR ELECTRIC WIND OW LIFT

33) MIRRORS - STANDARD / MOTORIZED / HEATED AND MIRROR CONTROL

34) CB RADIO

35) DASH RADIO

36) CAB ROOF SPEAKERS - CONCERT CLASS / CONCERT CLASS PREMIUM

37) CAB ROOF SPEAKERS - CONCERT CLASS EHD

38) RADIO - 48" / 63" / 70" SLEEPER

39) CLOCK

40) WIPER / WASHER

41) ELECTRIC HORN

42) CAB HVAC

43) SLEEPER HVAC - ALL SLEEPERS

44) SLEEPER LOAD CENTER

45) SLEEPER POWER SUPPLY HARNESS

46) NAMUX

47) BACK - LIGHTING ( +12 VOLTS ) AND PANEL LAMPS DIMMER

48) BACK - LIGHTING NEGATIVE LINKS ( GROUND )

49) OUTSIDE AIR TEMPERATURE

50) FIFTH WHEEL / DIFF LOCK / SUSPENSION DUMP VALVE / SPARE ROCKER SWITCHES

51) FUEL LEVEL

52) FUEL FILTER - ACCESSORY POWER

53) PARK BRAKE

54) FORWARD AND REAR DRIVER AXLE TEMP

55) VORAD

56) AIR DRYER

57) FUEL FILTER RESTRICT ION

58) TIRE PRESSURE CONTROL SYSTEM ( TPCS ) CAB & CHASSIS

59) AUX TRANSMISSION OIL TEMP

60) EATON ULTRASHIFT TRANSMISSION

61) EATON AUTOSHIFT TRANSMISSION

62) EATON AUTOSHIFT AND ULTRASHIFT TRANSMISSION ( CONTINUED )

63) MERITOR FREEDOMLINE TRANSMISSION

64) WTEC TRANSMISSION ( ALLISON )

65) WTEC TRANSMISSION ( ALLISO N ) ( CONTINUED )

66) EATON LIGHTNING TRANSMISSION POWER

67) MAIN CAB ABS CONNECTIONS

68) BENDIX ABS SYSTEM

69) BENDIX ABS SYSTEM ( CONTINUED )

70) BENDIX ABS ( CHASSIS )

71) WABCO ABS SYSTEM ( E-BASIC )

72) WABCO ABS SYSTEM ( E-UNIVERSAL )

73) TRAILER ABS

74) MAIN CAB ENGINE FIREWALL BULKHEAD

75) ENGINE - CAT C11 / C13 AND C15

76) ENGINE - CAT C11 / C13 AND C15 ( CONTINUED )

77) ENGINE - CUM ISM

78) ENGINE - CUM ISC / ISL

79) ENGINE - CUM ISX

80) ENGINE - CUM ISM ( BJ SERVICES )

81) ENGINE - CUM ISM ( BJ SERVICES ) ( CONTINUED )

82) ENGINE - CUM ISM ( BJ SERVICES )

83) ENGINE - CUM ISM ( BJ SERVICES ) ( CONTINUED )

84) ENGINE - CUM ISX ( BJ SERVICES )

TITLE

85) ENGINE - CUM ISX ( BJ SERVICES ) ( CONTINUED )

86) ENGINE ECU POWER

87) CHASSIS SPARE GROUNDS

88) MAIN CAB SPARE RELAY

89) CHASSIS SENSOR ADD-ON - TR ANSFER CASE OIL TEMP / BRAKESAV ER OIL TEMP / GENERAL OIL TEMP / AUX XSMN OIL TEMP # 3 / PTO OIL TEMP

90) CUMMINS ICON2 IDLE CONTROL

91) J1939 ARCHITECTURE

92) TELEMATICS

93) SLEEPER LVD / LVD ADAPTER

94) CUMMINS DUAL STATION CONTROLS ( BJ SERVICES )

95) ENGINE BRAKE CONTROLS

96) ENGINE FAN CONTROLS

97) LIFT AXLE CONTROL ( W/O AUTO-REVERSE )

98) LIFT AXLE CONTROL ( W/ AUTO-REVERSE )

Peterbilt 389 Schematic (2)

Schematic - 379 Model Family Electrical

P94-6023

C

02

ABS

CHASSIS

HARNESS

CAB

HVAC

SYSTEM

DASH PANEL HARNE SSES

( A , B , C )

ABS

DASH

HARNESS

SLEEPER

HVAC

SYSTEM

SLEEPER

HARNESS

TELEMATICS

ROOF

HARNESS

MAIN CAB

HARNESS

HOOD

HARNESS

FIREWALL HARNESS

CHASSIS

HARNESS

TRAILER

HARNESS

VORAD

CAB

HARNESS

TAIL LAMP

HARNESS

VORAD

CHASSIS

HARNESS

HARNESS ARCHITECTURE

ENGINE FAN

HARNESS

JAKE BRAKE

HARNESS

DOOR

HARNESS

POWERTRAIN

ENGINE HARNESS

TRANSMISSION HARNESS

Peterbilt 389 Schematic (3)

Schematic - 379 Model Family Electrical

LOCATIONS OF MAJOR ELECTRICAL MODULES IN 379E CAB AND SLEEPER

P94-6023

INSTRUMENTATION CONTRO L UNIT MODULE

C

03

GPSNET MODEM

( OPTIONAL )

VORAD ECU

( OPTIONAL )

REMOTE KEYLESS ENTRY MODULE

( OPTIONAL )

MIRROR CONTROL MODULE

( OPTIONAL )

ANTENNA MULTIPLEXER

TURNSTALK MODULE

AUDIO AMPLIFIER

( OPTIONAL )

( OPTIONAL )

GPS ANTENNA

( OPTIONAL )

J1587 DATA BUS CONNECTOR

LOW VOLTAGE DISCONNECT ( OPTIONAL )

ENGINE HARNESS FIREWALL CONNECTOR

ABS HARNESS FIREWALL CONNECTOR

FUSE BLOCK

FIREWALL CONNECTOR - HOOD AND TRAI L ER HARNESS FIREWALL CONNECTOR - ENGINE AND CHA SSIS HARNESS

RELAY ASSEMBLY

SLEEPER LOAD CENTER

SLEEPER LOW VOLTAGE DISCONNE C T ( OPTIONAL )

SCALE 1:8

SCALE

LOCATION OF MAJOR COMPONENTS

ABS ELECTRONIC CONTRO L UNIT

Peterbilt 389 Schematic (4)

Schematic - 379 Model Family Electrical

LOCATIONS OF ELECTRICAL MODULES IN 379E CAB AND SLEEPER

ANTENNA MULTIPLEXER

( OPTIONAL )

AUDIO AMPLIFIER ( OPTIONAL )

GPS ANTENNA ( OPTIONAL - PROPOSED LOCATION)

TURN STALK MODULE

P94-6023

ANTENNA MULTIPLEXER

( OPTIONAL - PROPOSED LOCATION )

GPS ANTENNA

( OPTIONAL )

AUDIO AMPLIFIER ( OPTIONAL )

C

04

TURN STALK MODULE

ENGINE HARNESS FIREWALL

CONNECTOR

ABS HARNESS FIREWALL

CONNECTOR

J1587 DATA BUS CONNECTOR

LOW VOLTAGE DISCONNECT

( OPTIONAL )

J1939 CONNECTOR

DIAGNOSTIC CONNECTOR

FIREWALL CONNECTOR

HOOD AND TRAILER

FIREWALL CONNECTOR

ENGINE AND CHASSIS

CAB LEFT SIDE VIEW

SCALE 1:6

RELAY ASSEMBLY

GPSNET MODEM ( OPTIONAL )

VORAD ECU

( OPTIONAL )

INSTRUMENTATION CONTRO L UNIT MODULE

REMOTE KEYLESS ENTRY MODULE ( OPTIONAL )

MIRROR CONTROL MODULE ( OPTIONAL )

ABS ELECTRONIC CONTRO L UNIT

FUSE BLOCK

INSTRUMENTATION UNIT CO NTROL MODULE

ENGINE HARNESS FIREWALL CONNECTOR

ABS HARNESS FIREWALL CONNECTOR

RELAY ASSEMBLY

J1587 DATA BUS CONNECTOR

LOW VOLTAGE DISCONNECT

( OPTIONAL )

J1939 CONNECTOR

DIAGNOSTIC CONNECTOR

FUSE BLOCK

SLEEPER LOAD CENTER

CAB REAR VIEW REAR WALL AND BULKHEADS NOT SHOWN }

CLOSET WALL

NOTE: IN 36" SLEEPER, LOAD CENTER IS MOUNTED ON FRONT WALL IN 70" SLEEPER, LOAD CENTER IS MOUNTED UNDER BUNK

GPSNET MODEM ( OPTIONAL )

RH FIREWALL FEED-THROUGH

VORAD ECU ( OPTIONAL )

OPTIONAL FEED-THROUGH FOR

AUTOMATIC TRANSMISSION VORAD DUAL STATION

REMOTE KEYLESS ENTRY MODULE ( OPTIONAL )

MIRROR CONTROL MODULE ( OPTIONAL )

ABS ELECTRONIC CONTRO L UNIT

FIREWALL CONNECTORS

LOCATION OF MAJOR COMPONENTS

SLEEPER LEFT SIDE VIEW

SLEEPER LOW VOLTAGE DISCONNECT

SCALE 1:16

( OPTIONAL )

SLEEPER REAR VIEW REAR WALL AND BULKHEADS NOT SHOWN

Peterbilt 389 Schematic (5)

Schematic - 379 Model Family Electrical

SYMBOL / ABBREVIATION KEY

1) STUD

2) SPLICE

3) RING TERMINAL CONNECTORS

4) NUMBERS EX CIRCUIT DESCRIPTION SUFFIX ALPHA 286 -1 A

5) BUSS BAR

6) CB CIRCUIT BREAKER

7) CLC CHASSIS LOAD CENTER

8) SLPR SLEEPER

9) TRLR TRAILER

10) MFTS MULTI-FUNCTION TURN STALK

11) CONTINUED TO OTHER SH XX

12) MOMENTARY CONTACT

CONTACT

13) BULB

14) GROUND

15) DIODE

16) RESISTOR

17) CAPACITOR

18) POLYFUSE

19) LIGHT-EMITTING DIODE

SWITCH

SHEET NUMBER

P94-6023

SW20-2_c0

20) STARTER THERMAL OVERLOAD SWITCH

21) NEUTRAL START SWITCH

NA NA

22) BATTERY

23) ALTERNATOR

24) CIRCUIT BREAKER

25) STARTER

26) WINDOW SWITCH

SW21-5

BATTERIES

B+

G

W/L

CIRCUIT BREAKER

POSITION 1 POSITION 0 POSITION 2

132465132465132465

CB2-2

150 AMP

+ S

STARTER

D+

B-

C

05

SYMBOLS INDEX

Peterbilt 389 Schematic (6)

Schematic - 379 Model Family Electrical

P94-6023

C

06

27) J1939 CABLE SHIELD

28) TWISTED PAIR

29) PRESSURE SWITCH

30) LAMP

31) LIGHT

32) IGNITION SWITCH

1 0 3 6 2

33) WINDOW LIFT MOTOR

M

34) TWISTED TRIPLET

SYMBOLS INDEX ( CONTINUED )

Peterbilt 389 Schematic (7)

Schematic - 379 Model Family Electrical

P94-6023

C

07

FUSES

25 A FUSE

1)

2)

XX AMP

3)

6)

AMP

F1_0

XX

XX XX

4)

XXX XXXX

XX XX

XX XX

FUSE

5)

10 AMP

XX AMP

ROCKER SWITCH ICONS

CRUISE ON / OFF

PTO

TRAILER LIGHT SPOT LIGHT

LOAD LIGHT CLEARANCE LIGHT

RANGE SELECT

OFFROAD

WINDOW LIFT

ABS

DOOR LOCKS

ATC

LIFTABLE TAG AXLE

FOG LIGHT

SLEEPER

FLUORESCENT

BEACON / STROBE HEADLIGHT

TRAILER

AUXILIARY

LIFTABLE PUSHER AXLE

BRAKESAVER HAZARD

FUEL SELECT

DIFFERENTIAL LOCK

FUEL HEAT

TRANSMISSION

RETARDER

TRAILER DUMP

CRUISE SELECT

REAR A / C

REMOTE THROTTLE

INSTRUMENT

DIMMER

TRAILER DUMP

REMOTE THROTTLE

OVERRIDE

AUXILIARY

SIDE LAMPS

ENGINE BRAKE

ENGINE DIAGNOSTIC ENGINE FAN

DECK POWER

FLASHING

SIDE LAMPS

SYMBOLS INDEX ( CONTINUED )

Peterbilt 389 Schematic (8)

Schematic - 379 Model Family Electrical

RELAYS

AB C DEF

1)

XX

X

2) INTAKE AIR HEATER RELAY

XX

7) STARTER RELAY

30

87

85

86

c

J78-1

K03-1-1

87A

P94-6023

C

08

C

3)

4)

5)

6)

87A

878630

87A 87

86

87A 87

86

LATCHING

RELAY

R1

C

XX

c

30 85

85

30 85

SYMBOLS INDEX ( CONTINUED )

R11-1

87A

START

ENABLE

RELAY

87

30

ENGINE

INTERRUPT

RELAY

30 85

BACKUP LAMP

RELAY

K18-01

87A 30 85 87 86

87A

87 86

R10-1

86

85

87A

87

30

86

85

R18-A

8) ENGINE INTERRUPT RELAY

9) START ENABLE RELAY

10) BACK-UP LAMP RELAY

11) RELAY

Peterbilt 389 Schematic (9)

Schematic - 379 Model Family Electrical

P94-6023

C

09

SH 12, REFDES F1A-1, NODE 1

SH 11, REFDES S43, NODE 1

SH 10, REFDES S80, NODE 1

ENG RUN

POWER

INTERUPT

1

3

6

2

IGNITION SWITCH

RED1210-88

RED1260-30

P2

3

2

4

1

6

5

ORN1230

ORN1250

ORN3912-3

ORN1910-3

ORN1230

S3

S51-1

ORN1910-8

HIGH AMP ALTERNATOR

OPTIONAL

ORN1250-2

P3

1

1

J3

1

1

P18

J28

START INTERRUPT

ORN1910-4 RED1210-89

CB1

50 AMP

IGN BATT FEED

SH 74, REFDES J50-6, NODE 10

ORN1250-1

CB2

50 AMP

IGN BATT FEED

ORN3940-2

J51-1

RED1210-40

LVD V ( IN )

POWER DIST CENTER ( HIGH AMP ALTERNATOR ONLY )

T9

50 AMP

OR 270 AMP

T10

1

ENGINE GROUND ( HIGH AMP ALT

ONLY )

NOTE:

ALTERNATOR POSITIVE ( T1 ), POWER DIST CENTER ( T2 ), ALTERNATOR GROUND ( T3 ), AND ENGINE GROUND ( T5 ) ARE NOT USED WITH THIS ALTERNATOR OPTION.

RED1210-40

P51-1

1

1

ORN3912-2

ORN3912-1

P8-1

C

ENGINE SPARE 1

RED3920-11

WHT3110-44

LVD V ( OUT )

S54-1

RED1210-91

S52

CB2

50 AMP

ORN3111-2 ORN3111-1

FIREWALL

STARTER

P103-1

J50

10

10

ORN3912-4

ELEC

CAB

ENGINE FIREWALL

S111-1

SEE ENGINE SECTIONS ( SH 75-85 )

IC1

AMMETER SENSOR

OPTIONAL

S101

STARTER RELAY COIL

WHT3110-4

S1-1

J4-1

A

B

C

J50-3

MATING CONNECTOR:

21

ECM SWITCHED POWER

START / CHARGE

B

B

A

A

P110

J2-4

ORN3912-5

WHT3110-64

BLK3911-5

GRA3391-0

RED3920-0

RED3920-0

RED3920-1

RED1210-90

RED3920-11

RED3920-2

WHT3110-42 WHT3110-44

WHT3110-64

WHT3110-69

WHT3110-69

BLK3911-5

J1-10

85

86

87A

87

30

W/O SLEEPER

GRA3391-0

A

B

J3-2

SW20

A

B

P2-5

SEE ELECTRONIC ENGINE FIREWALL CONNECTOR P103 ( PIN 21 )

( FOR ALL ENGINES )

87A

30

87

85

86

PWR DIST CENTER MAIN CAB

T2

T4

50 AMP

OR

100 AMPS + 70 AMPSW/ SLEEPER

T6

+

ENG22

S

A

T7

B

T4

STARTER

BLACK

RED

SW21

NEUTRAL

START

OCP

SEE SH 75-85

STARTER RELAY

POWER

STARTER

SOLENOID

SWITCH

OPTIONAL

T1

B+

G

W/L

RED3920-3

D+

ALTERNATOR

B-

T3

WHT3110-41

BATTERIES

OPTIONAL JUMP START TERMINAL LOCATIONS: UNDER HOOD - LOCATED AT THE STARTER BATTERY BOX - LOCATED AT THE BATTERY

WHT3110-40

T5

S2-1

WHT3110-42

ENGINE GROUND

CHARGE AND START

Peterbilt 389 Schematic (10)

Schematic - 379 Model Family Electrical

P94-6023

C

10

SH 11, REFDES S43 , NODE 1 SH 11, REFDES K5 / K13 / K17, NODE 30-3

MAIN GROUND

WHT0710-10

SH 15 , REFDES T2 , NODE 1

SH 16 , REFDES K2 , NODE 30

MAIN CAB POWER

T4

150 AMPS

OR

170 AMPS

( WITH SLEEPER )

RED1210-68

T5-1

1

SPARE POWER CONN

T1-A 1

T2-A 1

T3-A 1

T4-A 1

T5-A 1

T6-A 1

FIREWALL

RED1210-21

ENGINE CAB

RED1210-17

WHT1500

FB8C

T1-B

RED0710-1

1

T2-B

RED0710-2

1

RED0710-3

T3-B

1

T4-B

1

T5-B

RED0790-2

1

RED0790-3

T6-B

1

CB1

F5A

25 AMP

F6A

20 AMP

SH 25, REFDES S 115 , NODE 1 SH 25, REFDES F4A-1 , NODE 1

SH 25, REFDES P51-1 , NODE 1

SH 25, REFDES K13 , NODE 30

RED1210-23

S52-1

RED1210-68

J51

1

LVD

V ( IN )

RED1210-22

FB1

SPARE BATT PWR

F1A-1

50 AMP

F2A-1

50 AMP

F3A-1

50 AMP

F4A-1

50 AMP

F5A-1

50 AMP

F6A-1

50 AMP

RED2415-1

RED1210-30RED2412-1

YEL2619-2

RED1210-18

RED1260-30

RED1260-6

S41-3

SPARE BAT PWR

MAIN ACC

RELAY

( LVD SWITCHED )

87A

87

30

86

85

R13-1

WHT1500-31

FB3

F1A-3

10 AMP F2A-3

20 AMP F3A-3

10 AMP F4A-3

10 AMP

F5A-3

10 AMP F6A-3

20 AMP

F7A-3

10 AMP

FB7

F4A1-7

10 AMP

FB2

F7A-2

20 AMP

RED6951

RED2951

RED6952

RED6291

RED6950

RED2611

RED0711

RED1210-15RED2100-8

RED1210-19

WHT1500-232

ORN1221-2

ORN1250-10

SH 21, REFDES S21-1, NODE 1

SH 25, REFDES P4 , NODE A

SH 21, REFDES P13 , NODE 2B

SH 25, REFDES P3 2 , NODE C

SH 34, REFDES P9 2-4, NODE 4

SH 25, REFDES P32 , NODE E

SH 24, REFDES P92-2, NODE 1

SH 19, REFDES S28 , NODE 1

87A-3 30-3 85-3 87-3 86-3

K17

ORN1221-2

ORN1250-10

ACCESSORY

RELAY

87A

87

30

86

85

R17-2

SH 11, REFDES S22 , NODE 1 SH 12, REFDES S3-1, NODE 1

FB6

F1A-6

3 AMP

F2A-6

15 AMP

F3A-6

25 AMP

F4A-6

20 AMP

F5A-6

5 AMP

F6A-6

10 AMP

F7A-6

25 AMP

RED1210-19

RED1260

S80

FB5

F1A-5

3 AMP

F2A-5

10 AMP F3A-5

15 AMP F4A-5

25 AMP F5A-5

3 AMP

F6A-5

15 AMP

S54-2

RED1210-27

S55-1

RED1210-24

RED1210-20

RED1210-14

RED1210-18

RED1210-30

RED1210-12

RED1210-14

YEL2619-2

RED1210-13

LVD

P51

V ( OUT )

1

RED1260

RED1210-11

RED1210-13

F1B-1

F2B-1

F3B-1

F4B-1

RED1260-7RED0790-1

F5B-1

F6B-1

RED2990 RED2990-2 RED2990-1

RED2414

RED2300

RED2100-4

RED6700-5

RED6750-0

RED2300-44

RED1260-8 RED1260-9 RED1260-11

RED4100

RED4100-8

RED6100-1

RED5110

RED6140

YEL2640

RED4210

RED4210-1

SH 14, REFDES J12, NODE 2 SH 40, REFDES J12-3, NODE 2 SH 17, REFDES J12-1, NODE 2

SH 16, REFDES S38, NODE 1

SH 14, REFDES S113, NODE 1

SH 17, REFDES S33, NODE 1

SH 22, REFDES J17-2, NODE A

SH 22, REFDES P43, NODE B

SH 14, REFDES S87, NODE 1

SH 12, REFDES S3-1, NODE 1 SH 11, REFDES S53

SH 46, REFDES P63, NODE 1

SH 47, REFDES P63-1, NODE 1

SH 35, REFDES J80 , NODE B

SH 67, REFDES P15 , NODE A

SH 37 , REFDES J100 , NODE B

SH 24, REFDES S16 , NODE 1

SH 46, REFDES J41, NODE 2

SH 47, REFDES J41-1, NODE 2

, NODE

WHT1500-232

1

SH 41, REFDES S76, NODE 1

SH 17, REFDES J12-1, NODE 4

S31-1

WHT1500-231

ORN1250-11

ORN1220-51

RED1260-8

RED1260-9

RED1260-11

RED0712-3 RED1210-12

K13 85-2 86-2 87A-2 87-2 30-2

POWER DISTRIBUTION­UNSWITCHED CIRCUITS

Peterbilt 389 Schematic (11)

Schematic - 379 Model Family Electrical

P94-6023

C

11

SH 10, REFDES K5 / K13 / K17_c0 , NODE 87-3

NOTE: ORN1220-40 & ORN1220-51 ( SH 10 )

ARE SAME CIRCUITS

ORN1221-1 & ORN1221-2 ( SH 10 ) ARE SAME CIRCUITS

SH 12, REFDES S3-1, NODE 1

SH 10, REFDES S80, NODE 1

SH 10, REFDES S55-1, NODE 1

SH 12, REFDES S3-1, NODE 1

SH 15, REFDES S21-3, NODE 1

SH 33, REFDES S36, NODE 1

SH 10, REFDES K5 / K13_c0, NODE 87-2

WHT1500-34

ORN1250-9

ORN1220-40

RED1260-6

RED1210-17

WHT1500-36

S31

ORN1221-1

ORN1250-12

WHT1500-30

ORN5920

ORN1221-2

K13

( LVD SWITCHED )

85

86

87A

87

30

ORN1220-40

K17

87A-3

30-3

85-3

87-3

86-3

F7A-5

10 AMP

ORN1220-51

MAIN ACC

RELAY

87A

87

30

86

85

R13-2

ACCESSORY

RELAY

30

85

R17-1

FB5

SH 9, REFDES S52, NODE 1

SH 74, REFDES J50-6, NODE 27

LVD

CONNECTOR

J86

CAB

S22

87A

ORN1221-1

87

86

ORN1220-42

RED1210-88

ORN1221

WHT1500-51

RED1210-16

S6-13

ORN1221-3

S53

SH 46, REFDES S100, NODE 1

SH 47, REFDES S100-1, NODE 1

SH 67, REFDES S114, NODE 1

SH 10, REFDES S52-1, NODE 1

WHT1500-58 WHT1500-57 WHT1500-56

RED1210-67

RED1210-68

S43

ORN1220-55 ORN7210

ORN1220-46

ORN4220-4

ORN4220

ORN1221-17

ORN5110

FB4

F1A-4

25 AMP

F2A-4

20 AMP

F3A-4

20 AMP

F4A-4

20 AMP

F5A-4

30 AMP

F6A-4

20 AMP

F7A-4

5 AMP

FB7

F1A-7

5 AMP

F2A-7

20 AMP

F3A-7

5 AMP

F4A-7

10 AMP

S4-18

ORN1229-19

ORN1229

ORN1229-13

ORN5921

ORN6911

ORN9920-1

ORN6912

ORN1221-3

ORN2990-1

ORN2990

ORN2990-0

ORN5910-10

SEE SH 10

SH 42, REFDES P47, NODE 2

SH 52, REFDES S11-2, NODE 1

SH 18, REFDES S11, NODE 1

SH 56, REFDES S11-1, NODE 1

SH 33, REFDES S78, NODE 1

SH 31, REFDES P38, NODE 3

SH 73, REFDES J1-11, NODE G2

SH 31, REFDES P38, NODE 1

SH

40, REFDES

, NODE 18

J11-5

SH

14, REFDES

, NODE 18

J11

SH 17, REFDES

J11-1

SH 40, REFDES

, NODE

, NODE 1

S110

ORN0730-1

ORN0730-2

ORN0730-3

ORN0730-4

ORN0730-5

ORN0730-6

T5-29

MAIN

1

GROUNDWHT1500-0

FB2FB9C

F1A-2

F1B-2

F2B-2

F3B-2

F4B-2

F5B-2

F6B-2

ORN1220-48

ORN1220-47

F2A-2

F3A-2

F4A-2

F5A-2

F6A-2

50 AMP

50 AMP

50 AMP

50 AMP

50 AMP

50 AMP

S41-33S21-23

WHT0730-5

SPARE POWER CONN SPARE BAT PWR

T1A

T1B

1

1

T2A

T2B

1

1

T3A

T3B

1

1

T4A

T4B

1

1

T5A

T5B

1

1

T6A

T6B

1

1

18

POWER DISTRIBUTION­IGNITION SWITCHED CIRCUITS

ORN1220-44

F5A-7

2 AMP

F6A-7

15 AMP

ORN3600

ORN7110

SH 50, REFDES S40, NODE 1

SH 42, REFDES S57, NODE 1

Peterbilt 389 Schematic (12)

Schematic - 379 Model Family Electrical

P94-6023

CB2

C

12

SH 10, REFDES K5 / K13_c0, NODE 86-2

SH 11, REFDES K13, NODE 86

SH 10 , REFDES K5 / K13 / K17_c0, NODE 86-3

SH 11, REFDES K5 / K13 / K17, NODE 86-3

P2-1

1

1

3

6

3

2

IGNITION

SWITCH

ORN1250-11

ORN1250-9

ORN1250-10

ORN1250-12

SH 17, REFDES J11-1, NODE 13

SH 9, REFDES P2 , NODE 1

SH 10, REFDES S54-2, NODE 1

ORN1230-1

ORN1250-5

S3-1

ORN1250-4

J3-1

1

ENG RUN

POWER

INTERUPT

GRA2121-4

ORN1230

RED1210-18

ORN1230-1

ORN1230

ORN1250-3

P3-1

1

RED1210-18 ORN1910-5

F1A-1

5 AMP

F2A-1

10 AMP

F3A-1

2 AMP

F4A-1

20 AMP

F5A-1

15 AMP

F6A-1

15 AMP

ORN4230

ORN6100-26

ORN6100-9 ORN6100

ORN3111

YEL2121-1

YEL2121-5GRA2121-4

SH 46, REFDES J27, NODE 3

SH 26, REFDES S105-7, NODE 1

SH 43, REFDES S105-1, NODE 1 SH 35, REFDES S105-2, NODE 1

SH 74, REFDES S101-7, NODE 1

SH 13, REFDES S51, NODE 1

SH 17, REFDES J1-5, NODE A7

SH 17, REFDES S9, NODE 1

POWER DISTRIBUTION­ACCESSORY SWITCHED CIRCUITS

Peterbilt 389 Schematic (13)

Schematic - 379 Model Family Electrical

P2-3

1

4

3

6

2

IGNITION

SWITCH

SH 12, REFDES F4A-1, NODE 2

SH 17, REFDES J11-1, NODE 16

ORN1910-2 ORN1910-1

S51

ORN1910-5

GRA2111

CB1

F1A

10 AMP

F2A

10 AMP

F3A

10 AMP

F4A

10 AMP

ORN3940-1

ORN0800

YEL2111-2

YEL2111-1

P94-6023

SH 74, REFDES P8, NODE C

SH 46, REFDES J14, NODE B

SH 17, REFDES J1-5, NODE B7

SH 17, REFDES J1-5, NODE G8

C

13

POWER DISTRIBUTION­CIRCUIT BREAKER-ENGINE / LOW BEAM FEED

Peterbilt 389 Schematic (14)

Schematic - 379 Model Family Electrical

FIREWALL

RIGHT

LEFT

MIRROR

MIRROR

TURN

TURN

MAIN

LEFT REAR TURN

JUMPER

RIGHT REAR TURN

WHT2100-3

LEFT FRONT TURN

YEL2332-6

WHT2400-4

YEL2322-7

YEL2322-1

WHT2400-20

YEL2311-1

CBA

SPARE TURN SIGNAL

YEL2322-7

P245

J523

A

B

P535

D

C

E

P537

D

C

E

S243-1

WHT2100-4

RIGHT FRONT TURN

GROUND

T5-7

1

YEL2311

YEL2312

P532

D

YEL2322

C

YEL2332

E

WHT2400-3

WHT2100-2

YEL2312-1

YEL2311-1

YEL2312-1

P262-1

P246

CBA

WHT9000

TRAILER PLUG CONNECTOR

TRAILER LEFT / RIGHT TURN

CHASSIS HARNESS

HOOD

TRAILER

J2

P521-3

E1

E1

YEL2311-7

C1

C1

YEL2312-7

B1

B1

YEL2322-2

F1

F1

YEL2332-1

WHT2400-0

WHT1500-159

S6-4

WHT1500-158

S21-2

WHT1500-1

S7

S8

F2

F2

CAB CHASSIS CONNECTOR

J1

P243

A4

A4

WHT2100-1

G5

G5

YEL2312-3

A5

A5

YEL2311-3

G1

G1

YEL2311-4

B1

B1

YEL2312-4

CAB

P261

HOOD / TRAILER

YEL2311-2

YEL2312-2

GRNYELWHT

WHT1500-2

S41-12

WHT1500-160

S4-4

J5

YEL2311-5

YEL2312-5

J6

1

YEL2311-6

S19

1

YEL2312-6

S20

SH 15, REFDES J4, NODE B

SH 15, REFDES J4, NODE C

YEL2311-8YEL2311-8

YEL2312-8

YEL2312-8

YEL2312-12

WHT1500-159

YEL2311-9

P94-6023

P40

5B 10 3 9 6 8 7 2B

PRP2980

BRN2622

GRN2990

RED0712-7

RED0712-6

WHT1500-17

C

9

7

B

3

2B

A

1

B

6

5B

A

HAZARD SWITCH

RED0712-5

WHT1500-16

4

10

8

14

S72S66

MFTS MODULE 1 21 WAY

ORN2990

RED2300

MFTS MODULE 12 WAY

TURN STALK CONNECTOR 12 WAY

SH 46, REFDES J27, NODE 4

SH 39, REFDES S25, NODE 1

SH 11, REFDES F1A-7, NODE 2

SH 10, REFDES F3A-6, NODE 2

SH 10, REFDES F1A-6, NODE 2

SH 10, REFDES F7A-6, NODE 2

SH 41, REFDES S76, NODE 1

SH 17, REFDES S112, NODE 1

SH 46, REFDES J27, NODE 8

SH 46, REFDES J27, NODE 9

RED0712-8

S17

WHT1500-46

ORN2990

PRP2980

YEL2311-9

YEL2311-15

YEL2332-1

RED2300-1

RED2300-3

GRN2990-1

PRP2310-2

J11

18

IGNITION PWR

15

HAZARD INPUT

2

TURN LEFT FRONT

1

TURN LEFT FRONT

9

TURN LEFT REAR

3

TURN LEFT PWR

6

TURN LEFT PWR

21

SWITCH COMMON

20

MODULE GROUNDWHT2990-2

11

LEFT / RIGHT TURN INPUT

BRN2622

S113

YEL2311-15

S112-1

S87

GRN2990-6

J15

12

GRN2990-7

PRP2310-2

WHT2990-3

RED2300-4

WHT2990-1 MODULE GROUND

YEL2312-9

YEL2322-2

YEL2312-12YEL2312-9

RED2300-5

RED2300-44

RED0712-5

GRN2990-6

YEL2311-10

YEL2312-10

RED2990

SWITCH COMMON

2

LEFT / RIGHT TURN INPUT

1

GROUND

J12

8

TURN RIGHT PWR

2

MODULE POWERRED2990

1

7

TURN RIGHT FRONT

12

TURN RIGHT REAR

10

TURN RIGHT FRONT

11

TURN RIGHT PWR

NOTE :

MULTI-FUNCTION TURN STALK ( MFTS )

J263

1

TRAILER GROUND

TURN SIGNALS / HAZARD LIGHTS

Peterbilt 389 Schematic (15)

Schematic - 379 Model Family Electrical

FIREWALL

P94-6023

C

15

P262-2

RED

WHT

TRAILER

PLUG

CONNECTOR

WHT9000-3

J263-2 1

TRAILER GROUND

RED9120-4

WHT9000-3

P261-2

TRAILER BREAK-AWAY STOPLIGHTS

J1-3

F1

F1

SH 67, REFDES P15, NODE B

SH 11, REFDES S31, NODE 1

MAIN CAB TRAILER CONNECTOR

YEL2415-10

YEL2415-14

WHT1500-30

PRESSURE SWITCH

TRAILER

STOP LAMP

BRAKE

POWER

1T11

T2

YEL2415-12

YEL2311-11

BRAKE LAMP

MFTS MODULE 21 WAY

P595

J12-2

6

YEL2415-8

RED2415-1

YEL2415-13

RED2415-1

S5

SH 10, REFDES F5A, NODE 2

S21-3

WHT1500-60WHT1500-61

S41-13

T5-8

1

MAIN GROUND

J4

ABC

YEL2415-6

YEL2311-8

YEL2312-11

CBA

YEL2312-8

TURN

SIGNAL

MAIN CAB

VORAD CONNECTOR

S4-20

YEL2415-9

GRN3115-48

GRA2415-3

WHT1500-8WHT1500-67

NOTE:

MULTI-FUNCTION TURN STALK ( MFTS )

GRA2415-3

GRN3115-48

SH 55, REFDES J591, NODE C9

SH 55, REFDES J591, NODE D15

SH 55, REFDES J591, NODE C15

SH 14, REFDES S20, NODE 1

SH 14, REFDES S19, NODE 1

SERVICE BRAKE

K11

RELAY

85

87A

30

87

30

87A

86

85

87

R6-1

86

SH 74, REFDES J50-6, NODE 20

SH 74, REFDES S102-7, NODE 1

STOP LAMPS

Peterbilt 389 Schematic (16)

Schematic - 379 Model Family Electrical

FIREWALL

YEL2422-2

P304

YEL2422-20

WHT2400-8

RIGHT HAND TAIL / SIDE MARKER LIGHT

WHT2100-9

CBA

LEFT MARKER

S299-1

WHT2600-16

AB

LH CLEARANCE LAMP

P535-2

S243-2

P245-1

WHT2600-33

YEL2412-5

SPARE MARKER LIGHT # 1

J522

LEFT HAND TAIL / SIDE MARKER LIGHT

B

E

P537-2

YEL2422-4

RIGHT MARKER

P305

SPARE MARKER LIGHT # 2

1 J5301

YEL2412-10

YEL2412-11

S522

B

YEL2422-8

E

WHT2400-7 YEL2422-8

B

E

P532-2

YEL2422-20

WHT2400-8

S521-1

S242

YEL2422-11

WHT2100-8

P246-1

CBA

SH 33, REFDES P312, NODE 1

S296

YEL2412-4

WHT2600-15

AB

LH ID LAMP

YEL2422-12

LEFT POLE

P253

1

1

CTR ID LAMP

S298-1

WHT2600-14

RIGHT

POLE

W

AB

1

TRAILER GROUND

H

T

2

6

-

1

7

YEL2412-3

WHT2600-13

RH ID LAMP

P254

P306

YEL2412-12

WHT2400-6

YEL2422-3

WHT2100-7

J263-1

WHT2600-1

YEL2412-15

S291-2

YEL2412-2

P307

AB

WHT9000-1

P262

CHASSIS FIREWALL CONNECTOR

P521-2

HOOD

P243-1

TRAILER

P261-1

YEL2422-6

YEL2412-13

BRNBLKWHT

ROOF DASH CONNECT

J298-1

SH 17, REFDES S88, NODE 1

MAIN CAB

B2

B2

A1

A1

F2

F2

J2-3

FIREWALL

MAIN CAB

YEL2422-10

G4

G4

WHT2100-6

A4

A4

J1-4

FIREWALL

MAIN CAB

A2

A2

YEL2412-14

A1

A1

YEL2422-13

J1-7

TRAILER PLUG CONNECTOR

FIREWALL

MAIN CAB ROOF HARNESS

3

3

9

9

P92

YEL2412-1

WHT2600-12

P303

AB

RH CLEARANCE LAMP

SH 23, REFDES S26-2 , NODE 1

SH 17, REFDES P48, NODE 3

GRA2422-13

GRA2422-6 RED2100-7

YEL2412-6

YEL2422-7

YEL2422-15

WHT2400-5

S2 S24

S1

S6

WHT1500-62

S4-5 S41-14

WHT2600

YEL2412-0

9

7

3

2B

1 6

5B

4

8

P45

6 35B2B78910

10

RED2100-7

GRA2422-8

YEL2422-19

RED2100-22

S26

GRA2422-11

YEL2412-7

S89

RED2100-9

YEL2422-21

YEL2422-5

YEL2422

YEL2422-9

WHT1500-63 WHT1500-64 WHT1500-65

B

A

B

A

MARKER LAMP SWITCH

WHT1500-69

WHT1500-70

S46-4

16

2

1

87A

87

86

R19-1

RED2414

87A

87

86

R1-1

87A

87

86

R2-1

RED2412-1

MAIN GROUND

C

SH 18, REFDES J2-1, NODE A1

SH 17, REFDES S46, NODE 1

SH 17, REFDES P48, NODE 10

SH 17, REFDES P48, NODE 3

SH 46, REFDES J27, NODE 5

SH 10, REFDES F2A-6, NODE

SH 10, REFDES F6A, N ODE

P94-6023

RIGHT WINDOW

MARKER LAMP

J32

YEL2422

BRN2622-1

S45

SEE SH 47

WHT1500-376

1

1

J33

YEL2412

WHT1500-71

WHT1500-38

MIRROR MARKER LIGHTS

J37 1

S21-4

TURN STALK CONNECTOR 12 WAY

MARKER LAMP FLASH INPUT

6

J15-1

YEL2412-8

S46-9

WHT1500-401

GRA2412

MARKER LAMP FLASH BUTTON ON END OF STALK

S38

S37

GRA2422-10

GRA2422-11

GRA2412

RED2414-4

RED2414-3

WHT1500-400

YEL2412-9

GRA2422-7

YEL2422-9

GRA2422-9

RED2412-1

WHT1500-402

K19

87A-5

30-5

85-5

87-5

86-5

K1

30

86

87A

87

85

K2

87

85

30

86

87A

T5-9

YEL2422-15

WHT1500-376

RED2100-9

YEL2422-5

YEL2422-21

MARKER LT

FLASH

30

85

CLEARANCE LIGHTS

30

85

TAIL /

MARKER

30

85

1

MARKER / CLEARANCE LAMPS / LEFT POLE / RIGHT POLE

Peterbilt 389 Schematic (17)

Schematic - 379 Model Family Electrical

7

2B

FIREWALL

HEADLAMP SWITCH

5B

8

2B1037895B6

P94-6023

9

B

3

A

1

B

6

A

4

10

P48

HDLP LOW PWR

J11-1

19 13 16 5 20 8 18 21

HIGH BEAM OUT

LOW BEAM OUT

HDLP ON / OFF

MODULE GROUND

MFTS

HDLP FLASH INPUT

IGNITION POWER

SWITCH COMMON

MODULE 1 21 WAY

J12-1

HDLP HIGH / LOW

MODULE POWER

MODULE GROUND

3214

HDLP HIGH PWR

MFTS MODULE 12 WAY

J15-2

HDLP FLASH INPUT

HDLP DIMMER INPUT

SWITCH COMMON

54121

GROUND

TURN STALK CONNECTOR 12 WAY

C

NOTE: MULTI-FUNCTION TURN STALK ( MFTS )

17

YEL2111-3

WHT2100-12

LEFT HEADLAMP

RED2100-3RED2100-5

SH 16, REFDES P45, NODE 2B

P243-2

HOOD

A4 B4 G8 B7 A7

J1-5

A4 B4

YEL2121

G8

YEL2111-1

B7

YEL2111-2

A7

L

Y

E

1

-

1

2

1

2

MAIN CAB

SH 12, REFDES F5A-1, NODE 2 SH 13, REFDES F3A, NODE 2

SH 13, REFDES F4A, NODE 2

SH 46, REFDES J27, NODE 6

SH 12, REFDES F6A-1, NODE 2 SH 16, REFDES S89, NODE 1

SH 10, REFDES F4A-6, NODE 2

SH 16, REFDES S89, NODE 1

SH 16, REFDES S26, NODE 1

SH 16, REFDES S46-4, NODE 1

SH 14, REFDES S112-1, NODE 1

SH 40, REFDES J15-3, NODE 12

S243-3

YEL2121-2

P251

CBA

WHT2100-11 WHT2100-10

YEL2121-2

YEL2111-4

YEL2111-3 YEL2121-3

YEL2111-4

YEL2121-3

WHT2100-13

P250

CBA

RIGHT HEADLAMP

RED2100-7

YEL2111-2

YEL2422-5

RED2100-4

RED2100-9

WHT1500-376

RED2100-9

S88

S6-1

S9

YEL2121-7

YEL2121-5

YEL2111-1

S33

S46

GRN2990-6

GRN2990-5

YEL2141

YEL2141-1

GRN2990-3

BRN2622-2

YEL2422-5

WHT1500-378

GRA2422-13

S45-1

SEE SH 47

GRN2990-6

YEL2141

PRP2145

GRA2111

RED2100-0

GRA2121-4

S112

GRN2990-5

WHT2990-5

WHT1500-72

WHT1500-379

ORN2990-0

GRN2990-2

PRP2142

RED2990-1

WHT2990-4

PRP2145

PRP2142

GRN2990-4

S4-6

WHT1500-73

S21-10

WHT1500-74

S41-15

WHT2990-6

RED2100-8 RED2990-1

ORN2990-0

GRA2111

GRA2121-4

SH 10, REFDES F7A-2, NODE 1 SH 10, REFDES F1A-6, NODE 2

SH 11, REFDES F1A-7, NODE 2

SH 13, REFDES F3A , NODE 1 SH 12, REFDES F6A-1, NODE 1

T5-10

MAIN

1

GROUNDWHT1500-75

HEADLAMPS

Peterbilt 389 Schematic (18)

Schematic - 379 Model Family Electrical

P94-6023

C

18

YEL2960-1 YEL2422-16 YEL2332-4

WHT2400-12

YEL2322-5

BACK-UP LIGHT TAIL / SIDE MARKER LIGHT LEFT REAR TURN SIGNAL GROUND RIGHT REAR TURN SIGNAL

SH

52

, REFDES

S524-2

SH

, REFDES

56

S521-4

BACK-UP

LIGHT

SWITCH

P533

AB

YEL2960

ORN1229-1

YEL2960 YEL2422-14 YEL2332-2 WHT2400-11 YEL2322-3 YEL2322-3

YEL2960-1 YEL2422-16

YEL2332-4

WHT2400-12

YEL2322-5

P535-1

RIGHT HAND TAIL LIGHT

P537-1

LEFT HAND TAIL LIGHT

A

A

B

B

C

C

E

E

D

D

A B C E D

P532-1

, NODE 1 , NODE

FIREWALL

1

MATING CONNECTOR:

ORN1229-21

ORN1229-14

S524

P521-4

CHASSIS FIREWALL CONNECTOR

J2-1

F2

WHT2400-9

F2

G2

ORN1229-3

G2

A1

YEL2422-15

A1

F1

YEL2332-5

F1

B1

YEL2322-6

B1

CAB FIREWALL CONNECTOR

S521

WHT2400-10

ORN1229-2 YEL2422-14 YEL2332-2

SEE ENGINE FIREWALL BULKHEAD MATING CONNECTOR P103 ( PIN 21 ) FOR ALL ENGINES

( SEE SH 75-85 )

J50-1

1

SWITCHED POWER

ORN3100-8

S21-5

S11

CAB FIREWALL BULKHEAD CONNECTOR

ORN1229

WHT1500-20

S41-16

SH 11, REFDES F2A-4, NODE

SH 16, REFDES J2-3, NODE A1

2

YEL2332-5

YEL2322-6

T5-11

MAIN

1

GROUNDWHT1500-21

J11-6

MFTS MODULE

9

21 WAY

J12-5

MFTS

12

MODULE 12 WAY

BACK-UP LIGHT SWITCH

NOTE:

MULTI-FUNCTION TURN STALK ( MFTS )

Peterbilt 389 Schematic (19)

Schematic - 379 Model Family Electrical

FIREWALL

AD / LOAD LIGHTS SWITCH

10 9 8 7 3 2B

P94-6023

7

9

B

3

2B

A

1 6

5B

4

8

10

AD / LOAD LIGHT

P42

P20

1

AD / LOAD LIGHT

J20

1

C

19

YEL2941-2

P296

LH LAMP OPTION 1

WHT2600-32

S297

S300

WHT2600-3

BA

PART NUMBER P92-6330-000

LOAD LAMPS JUMPER OPTION CONNECTS TO RH LAMP OPTION 2 ( P308 )

YEL2941-4

WHT2600-9

P292

AB

LH LAMP OPTION 2

WHT1500-22

S46-3

RED0711-1

YEL2941-14

YEL2941-11

WHT1500-23

WHT1500-24

S58

BRN2622-3

YEL2941-12

SH 34, REFDES S291-3 , NODE 1

SH 24, REFDES J298-3 , NODE 7

WHT2600-35

J298-2

P92-1

6

ROOF DASH CONNECT

6

3

3

2

2

7

7

YEL2941-7

WHT2600-4

YEL2941-13

GRA6611-11

MAIN CAB ROOF HARNESS

S292

S295

YEL2941-3

WHT2600-7

P301

AB

RH LAMP OPTION 1

J2-15

BA

TO ROOF HARNESS

YEL2941-18

WHT2600-26

YEL2941-0

WHT2600-0

YEL2941-6

GRA6611-12

YEL2941-5

WHT2600-10

P308

AB

RH LAMP OPTION 2

S45-3

SEE SH 47

SH 20, REFDES P50-1, NODE E

YEL2941-14

S28

YEL2941-16

S59

YEL2941-7

YEL2941-17

RED0711

S41-17

RED0711-3

YEL2941-19

YEL2941-20

SH 20, REFDES P50-1, NODE D

SH 10, REFDES F7A-3 , NODE 2SH 24, REFDES S299, NODE 1

WHT1500-25

SH 39, REFDES P27, NODE 1

SH 20, REFDES J30, NODE A

SH 20, REFDES J30, NODE B

T5 - 19

1

MAIN GROUND

J1-15

AB

TO LOAD LAMP

DAYCAB AD / LOADLIGHTS

Peterbilt 389 Schematic (20)

Schematic - 379 Model Family Electrical

OPTIONAL

P94-6023

C

20

DUAL SWITCH SPST

LOAD LAMP

SWITCH 2

LOAD LAMP

SWITCH 3

P611-1

9

BRN2624-0 BRN2624-1

3

GRA2944-15

10

GRA2944-1

WHT0710-0

7

8

WHT0710-1

2B

RED0710-0

P612-1

9

BRN2624-2

3

GRA2945-5

10

GRA2945-6

WHT0710-4

7

8

WHT0710-2

2B

RED0710-10

S610

S612-1

S613

SH 19, REFDES S59, NODE 1

SH 19, REFDES P92-1, NODE 7

SH 19, REFDES S58, NODE 1

SH 19, REFDES S58, NODE 1

GRA2944-15

GRA2945-5

WHT0710-3

RED0710-11

J611

1

J612

A

B

J613

1

2

YEL2941-17

GRA6611-11

YEL2941-19

YEL2941-20

BACKLIGHT

SPLICE BLOCK

SLEEPER

LOAD

LAMPS

DUAL LOAD

LAMP SWITCH

CAB SLEEPER INTERFACE

CAB SLEEPER LOAD LAMPS

P50-1

J30

D

H

G

A

B

C

E

F

A

B

J291

D

H

G

A

B

C

E

F

ROOF SLEEPER CONNECT

J294

A

GRA2944-2

B

GRA2945-1

SLEEPER

LOAD LAMPS

GRA2941-0

GRA6611-13

GRA2941-0

GRA2944-2

GRA2945-1

GRA6611-13

ROOF SLEEPER DISCONNECT

P309-1

D

N

P

B

E

J388

D

N

P

B

E

SLEEPER

ROOF

DISCONNECT

S387

GRA2941-2

GRA2944-0

GRA2945-0

GRA2941-2

GRA2944-0

GRA2945-0

YEL2945-1

YEL2941-23

S386

WHT1130-33

YEL2944-1

WHT1130-8

WHT1130-32

P381

SLEEPER LOAD CENTER DISCONNECT

M

LOADLIGHT 1 SIGNAL

S

LOADLIGHT 3 SIGNAL

L

LOADLIGHT 2 SIGNAL

J

P

LOADLIGHT 3

N

LOADLIGHT 1

A

LOADLIGHT 2

WHT1130-34

S393

SH 26, REFDES P392, NODE 2

SH 26, REFDES S384, NODE 1

SH 26, REFDES S388, NODE 1

MATING CONNECTOR: J342

SLEEPER LOAD CENTER

SEE SHEET 44

SH 27, REFDES S387-1, NODE 1

SLEEPER AD / LOADLIGHTS - 48" / 63" HIGH ROOF

YEL2945-1

WHT1130-28

AB

LOAD LIGHT COILED

YEL2941-1

WHT1130-16

P404

AB

LH LOAD LIGHT FLUSH

WHT1130-16

P386

WHT1130-29

YEL2941-24

P387

BA

RH LOAD LIGHT FLUSH

SH 26, REFDES S384, NODE 1

YEL2944-2

WHT1130-17

BA

RH LOAD LAMP BRKT

P403

YEL2944-3

WHT1130-30

P398

BA

LH LOAD LAMP BRKT

SH 26, REFDES S384 , NODE 1

Peterbilt 389 Schematic (21)

Schematic - 379 Model Family Electrical

P94-6023

C

21

P242

YEL2951-1

WHT2100-17

AB

LEFT FOG / DRIVING

S243-4

FIREWALL

P13

102B5B 6397 8

YEL2951-5

YEL2951-3

P243-3

HOOD

J1-6

WHT2100-20

A4

A4

YEL2951-3

F4

F4

MAIN CAB

WHT2100-19

S241

P241

YEL2951-2

YEL2951-4

WHT2100-18

AB

RIGHT FOG / DRIVING

S6-3

WHT1500-26

S4-7

9

7

B

3

2B

A

1 6

5B

4

8

10

RED2951

YEL2951-5

WHT1500-27

FOG / DR SWITCH

BRN2622-4

WHT1500-37

WHT1500-33WHT1500-33

S45-4

SEE SH 47

SH 10, REFDES F2A-3, NODE 2

SH 10, REFDES S31-1, NODE 1

T5-12

MAIN

1

GROUNDWHT1500-32 WHT1500-29

S46-2

S21-1

WHT1500-28

S41-18

RED2951

WHT1500-31

Peterbilt 389 Schematic (22)

Schematic - 379 Model Family Electrical

P94-6023

C

22

SH 32, REFDES S571, NODE 1

WHT6910-12

YEL6732-5

RED6700-3

SH 32, REFDES S572, N ODE 1

POSITION 1 POSITION 0 POSITION 2

BRN2622-94

132465132465132465

P571

142653

WHT6910-12

BRN2622-9

S572-2

S585

DOOR LOCK ACTUATOR PIN A( - ) / PIN B( + ) RETRACT LOCK

LOCK UNLOCK LOCK UNLOCK

POSITION 1 POSITION 0 POSITION 2

132465132465132 465

P581

142653

BRN2622-12

SH 31, REFDES S583, NODE 1

WHT6910-4

GRA6710-10

LH DOOR

LOCK

SWITCH

BLK6730-10

RED6700-1

RED6700-2

PIN A( + ) / PIN B( - ) EXTEND UNLOCK

LH DOOR

LOCK

AB

GRA6731-2

GRA6711-2

SH 31, REFDES S583, NODE 1

SH 31, REFDES S582, NODE 1

RH DOOR

LOCK

S584

S583-2

M

P573

AB

YEL6712-5

M

P586

TRIM PANEL

RH DOOR

LOCK

SWITCH

GRA6712-8

GRA6710-7

BLK6730-7

GRA6732-8

REMOTE

KEYLESS

ENTRY

P43

GRA6710-10 BLK6730-10 GRA6711-2 GRA6731-2

BRN2622-91BRN2622-92 RED6700-4

GRA6710-7 BLK6730-7 GRA6712-8 GRA6732-8

BRN2622-93 YEL6732-5 YEL6712-5

LH

DOOR LOCK

ACTUATOR

P588-2

LH DOOR HARNESS

RH DOOR LOCK ACTUATOR

P576-2

RH DOOR HARNESS

P589

P577

A

A

B

B

C

C

D

D

B

B

A

A

1

1

2

2

4

4

3

3

5

5

J16-2

A C D

J18

GRA6710-1 BLK6730-1 GRA6711-1

GRA6731-1

CAB HARNESS ( DOOR LOCKS )

J17-2

BRN2622-88 RED6700-5

CAB HARNESS

J35

GRA6710-1

BLK6730-1

GRA6712-1 GRA6732-5

CAB HARNESS ( DOOR LOCKS )

A

BRN2622-89

C

YEL6732-1

D

YEL6712-1

CAB HARNESS

S15-2

BRN2622-90

J43

D

D

BRN2622-90

YEL6732-2

C

C

YEL6712-15

E

E

GRA6711-4

F

F

YEL6712-16

H

H

GRA6731-4

G

G

YEL6732-17

A

A

B

B

SH 10, REFDES F5A-6, NODE 2

SH 10, REFDES F6A-6, NODE 2

SH 39, REFDES

SH 26, REFDES SH 26, REFDES

GRA6732-5 GRA6712-1 GRA6711-1 YEL6712-3

GRA6731-1

YEL6732-3

WHT6750-8

RED6750-0

RED6700-5

RED6750-0

S4-16

WHT1500-39

S21-19

WHT1500-40

S14

S18

S41-29

YEL6732-4 YEL6712-4

S77

S25, NODE 1

P50-2, NODE G P50-2, NODE H

S75

CAB DOOR LOCKS

WHT1500-41

1

MAIN GROUND

T5-26

Peterbilt 389 Schematic (23)

Schematic - 379 Model Family Electrical

J702

4

30

RED6750-5

5

GRA6752-2

87

2

87a

RELAY 1

1

RED6750-7

86

3

85

YEL6732

9

GRA6732-3

30

10

RED6750-6

87

7

WHT6750-3

87a

RELAY 2

6

GRA6752-3

86

8

WHT6750-6

85

14

RED6750-4

30

15

GRA6753-2

87

12

87a

RELAY 3

11

RED6750-2

86

13

85

YEL6712

19

GRA6710-12

30

20

RED6750-3

87

17

WHT6750-4

87a

RELAY 4

16

86

GRA6753-3

18

WHT6750-7

85

24

RED6750-9

30

25

GRA2422-2

87

22

87a

RELAY 5

NOTE: MATES TO CONNECTOR

P43, SH 22, WHEN REMOTE KEYLESS ENTRY OPTION IS ORDERED.

86 85

HARNESS

21

RED6750-10

23

GRA2422

J704

C

YEL6732

E

GRA6732-1

G

GRA6732-6

D

YEL6712

B

RED6750-8

A

WHT6750-5

F

GRA6710-12

H

GRA6711-3

MAIN

CAB

S701

S702

P94-6023

S703

WHT6750-2

PRP6751

PRP6751

GRA6752-1

S704

S705

WHT6750-1

GRA6753-1 RED6750-1

GRA6711-3

GRA2422

P703

J703

P701

1

1

C L P R M K H J G N F B E A D S

RKE PROGRAM

( GROUND )

RKE PROGRAM

RKE

MODULE

USED TO PROGRAM NEW REMOTES

GRA2422-2

RKE MARKER LIGHTS

J701

J10

A

A

B

B

CAB RKE INPUT

GRA2422-1

S26-2

GRA2422-6

C

SH 16, REFDES S26, NODE 1

23

REMOTE KEYLESS ENTRY RELAY-OPTIONAL

Peterbilt 389 Schematic (24)

Schematic - 379 Model Family Electrical

ROOF

P94-6023

C

24

SH 34, REFDES S291-3, NODE 1

SH 34 , REFDES P298, NODE 3

SH 19, REFDES S300, NODE 1

LH DOOR

GROUND DOME LIGHT DOOR LIGHT SW

LH DOOR

DOOR LIGHT SW DOME LIGHT GROUND

SWITCH

RH DOOR

RH DOOR

SWITCH

ANTI-THEFT DOOR SW DOME LIGHT DOOR LIGHT SW

ANTI-THEFT DOOR SW DOME LIGHT DOOR LIGHT SW

JAMB

LAMP

P294

P293

LAMP P300

JAMB

P299

B C A

3 1 2

A C B

3 1 2

WHT2600-28

WHT2600-29

WHT2600-21 RED2611-2 YEL2640-2

GRA6611-4

RED2611-1 YEL2640-1

YEL2640-4

RED2611-10

WHT2600-22

GRA6611-2

RED2611-17

YEL2640-3

P295 BAC

S298

WHT2600-31

WHT2600-32

S299

CTR DOME LAMP

RED2611-6

WHT2600-24

S301

RED2611-11

S290

S291

ALARM

1

P302

GRA6611-3

SH 43, REFDES J298-5, NODE 7

LH DOOR HARNESS

7

J298-3

DOOR PANEL

P588

7

7

3

3

1

1

5

5

P92-2

C

C

J17

CAB ROOF HARNESS

GRA6611-24

WHT2600-18

RED2611

YEL2619-0

CAB HARNESS

YEL2640-9

S41-6

SH 19, REFDES J298-2, NODE

SH 26, REFDES J298-6 , NODE 7

ROOF DASH CONNECT

YEL2640-6

GRA6611-15 GRA6611-12

GRA6611-1

GRA6611-23

WHT2600-20 RED2611-9

YEL2640-12

S294

S293

P50-3 E

SLEEPER INTERFACE

ANTI-THEFT DOOR SWITCH

GRA6611-24

WHT1500-42

S16

YEL2640-11

YEL2640

RED2611

YEL2619-0

SH 10, REFDES F6A-3, NODE 2 SH 25, REFDES S 115, NODE 1

SH 46, REFDES J27, NODE 2

SH 10, REFDES F5A-5, N ODE 2

T5-17

MAIN

1

GROUNDWHT1500-42

SH 31, REFDES S582, NODE 1

YEL2640-10

YEL2640-6

WHT6910-3

12

P585

LH DOOR

LAMP

P575

WHT6910-15

YEL2640-10

12

RH DOOR

LAMP

SH 32, REFDES S571, NODE 1

CAB DOME LIGHT / DOOR LAMPS / DOOR JAMB / ALARM

RH DOOR HARNESS

CAB HARNESS

B

YEL2640-13

B

P576

J16

Peterbilt 389 Schematic (25)

Schematic - 379 Model Family Electrical

P94-6023

POWER POINT

( B-PANEL )

P4

BAC

RED6951

WHT6951-3

C

25

FOOTLIGHT

FOOTLIGHT

POWER POINT

CIGAR LIGHTER

A

WHT6950-0 WHT6950-1

B

YEL2619-5 YEL2619-3

P612

A

WHT6950-2

B

YEL2619-4

P613

A

RED6950-2

B

C

WHT6950-3

P614

A

RED6950-1

B

BRN2622-30

C

P615

WHT6950-4

S611

S612

RED6950-1

BRN2622-30

CAB FOOTLIGHTS / CIGAR LIGHTER / POWER POINT / B-PANEL POWER POINT

RED6950-2

FOOTLIGHT / POWERPOINT

HARNESS

P611

P32

F

F

A

A

WHT6950-5

B

B

YEL2619-1 YEL2619-0

C

C

RED6952

E

E

RED6950

D

D

BRN2622-32

CAB FOOTLIGHT / POWERPOINT CONNECTOR

S56-2

S115

YEL2619-2

BRN2622-163

BRN2622-164

BRN2622-110

SH 10, REFDES F5A-5, NODE 1

SH 24, REFDES

P92-2, NODE 5

SH 10, REFDES

F3A-3, NODE 2

SH 10, REFDES

F5A-3, NODE 2

SH 51, REFDES

S45-7, NODE 1

SH 47, REFDES

S56, NODE 1

S86, NODE 1

SH 46, REFDES

S6-2

WHT1500-45

S4-11

WHT1500-44

S21-14

WHT1500-43

S41-22

WHT1500-48

1

MAIN GROUND

T5-18

WHT6951-3

RED6951

SH 10, REFDES F1A-3, NODE 2

Peterbilt 389 Schematic (26)

Schematic - 379 Model Family Electrical

SH 20, REFDES S387, NODE 1 SH 27, REFDES P397, NODE 2

SH 20, REFDES S387, NODE 1 SH 20, REFDES P386, NODE B

SH 20, REFDES P398, NODE B

SH 35, REFDES S105-2, NODE 1

SH 12, REFDES F2A-1, NODE 2

SH 24, REFDES J298-3, NODE 7

ROOF DASH CONNECT

GRA6611-15

ORN6100-26

ORN6100-25

SH 22, REFDES S18, NODE 1 SH 22, REFDES S14, NODE 1

J298-6

S105-7

SH 20, REFDES S387, NODE 1

CAB ROOF HARNESS

7

7

P92-6

GRA6611-6

ORN6100-12

YEL6712-4

YEL6732-4

P50-2

CAB SLEEPER INTERFACE

E B H G

WHT1130-8 WHT1130-2

WHT1130-33 WHT1130-16

WHT1130-30

J291-2 E B H G

ROOF SLEEPER CONNECT

WHT1130-32

GRA6611-10 ORN6100-11 GRA6732-9 GRA6712-9

P297

FLOURSCENT

LAMP

BA

BLK2614-1

YEL2614-1

P401

2 1

READING LIGHT

P400

2 1

READING LIGHT

J387

B A

SLEEPER DOOR LOCK

GRA6611-10 ORN6100-11

GRA6732-9

GRA6712-9 YEL2614-1 BLK2614-1

ROOF SLEEPER DISCONNECT

COMPARTMENT

P393

WHT1130-22

RED2613

WHT1130-1

RED2613-0

GRA6712-10 GRA6732-10

P309-2

LH BAGGAGE

LIGHT

12

YEL2640-23

J388-2

E

E

B

B

H

H

G

G

S

S

R

R

SLEEPER ROOF DISCONNECT

WHT1130-7

ORN6100-13 GRA6732-10 GRA6712-10 YEL2614-0

BLK2614-0

RH BAGGAGE

COMPARTMENT

LIGHT

12

YEL2640-18

26

RH GENERAL

ILLUMINATION LIGHTS

P94-6023

MAIN SLEEPER

GROUND

C

T386 1

P392

WHT1130-8

P396

WHT1130-7

WHT1130-11

RED2613-1

LH DOOR

JAMB

SWITCH

123

P384

RED2613-4

WHT1130-15

WHT1130-2

S384

S388

YEL2640-14

312

WHT1130-31

YEL2640-18

123

P385

RED2613-5

WHT1130-24

S382

S392

S391

RED2613-14

S395

S394

YEL2640-16

RED2613-3

YEL2640-15

P395

312

RH DOOR

JAMB

SWITCH

P381-2

RED2613-15

ORN6100-13

ORN6120-1

E

LIGHTING BATTERY POWER

J

ACC RELAY CONTROL

B

SWITCHED POWER

SLEEPER LOAD CENTER DISCONNECT

SLEEPER LOAD CENTER

SEE SHEET 44

WHT1130-9

S389

RED2613-6 WHT1130-14

RED2613-7 WHT1130-13

RED2613-8 WHT1130-12 WHT2613-2

WHT2613-0 RED2613-11 WHT1130-11

WHT2613-1

WHT1130-10

ORN6120-1

YEL2614-0

BLK2614-0

P388

1 2 3

P389

1 2 3

P390

3 2 1

P391

A B C

T381

1

T382

1

T383

1

T384

1

T385

1

LH GENERAL

ILLUMINATION

DOME LIGHT

OVERHEAD

LIGHT

LAMP SWITCH

GROUND

BACKLIGHT GROUND

SWITCH BACKLIGHT

DASH SWITCH

CONTROL

DASH SWITCH

CONTROL

LIGHTS

OVERHEAD

LIGHT

SWITCH

48" / 63" HIGH ROOF SLEEPER LIGHTS / DOOR LOCK / DOOR JAMB

Peterbilt 389 Schematic (27)

Schematic - 379 Model Family Electrical

P94-6023

C

27

MATING CONNECTOR: J342

SLEEPER LOAD CENTER

SEE SHEET 44

BATTERY POWER

BATTERY POWER

BATTERY POWER

BATTERY POWER

P381-3

D

F

H

G

SLEEPER LOAD CENTER DISCONNECT

RED6954-0

RED6420-0

RED6953-0

RED6930-0

J386

1

ACC JACK

# 4

P399

ACC PWR / GND

RED6420-0

WHT1130-0

12

# 3

RED6930-0

RED6953-0

J385

1 P394

ACC JACK

# 1

P397

AUX PWR / GND

RED6954-0

WHT1130-2

12

# 2

S388-1

WHT1130-21

P405

1

ACC JACK

# 4 GND

WHT1130-2

S387-1

WHT1130-4

ACC JACK

WHT1130-34

WHT1130-5

1

# 1 GND

SH 26, REFDES S 384, NODE 1

SH 20, REFDES S387, NODE 1

48" / 63" HIGH ROOF SLEEPER POWER ACCESS OUTLETS

Peterbilt 389 Schematic (28)

Schematic - 379 Model Family Electrical

P94-6023

C

28

HEATER-A / C

CONTROL

FAN SPEED

236514

P382-2

GRA7310-2

GRA7213-8

P381-5

R

YEL7260-9

C

RED7300-14

N

YEL2941-29

P

YEL2945-3

B

DOOR

LOCK

# 1

J388-5

J387-5

J385-5

E A F D H G J L K M S

N D C P B F S R A E H G

B A

1

ORN6120-5 RED2613-27 YEL2944-9 RED6420-6 RED6954-3

RED6953-7

ORN6100-20 GRA2945-3 GRA7260-7 GRA2941-4 GRA2944-4

GRA2944-4

GRA2941-4 GRA7260-7 GRA2945-3 ORN6100-20

YEL2614-3

BLK2614-3 GRA7131-7

GRA6732-2 GRA6712-2

GRA6712-2

GRA6732-2

RED6953-7

P397-2

AUX PWR / GND

RED6954-3

21

# 2

LOAD

CENTER

DISCONNECT

ROOF

HARNESS

DISCONNECT

SLEEPER

ACC JACK

48" / 63" LOW ROOF SLEEPER

GRA7212-2

7 7

­0 3 1 1 T H

W

P399-2

GRA7211-2

YEL7260-7

S385-2

3 8

­0 3 1 1 T H

W

ACC PWR / GND

# 3

J383-2

RED6420-6

12

HEATER-A / C

UNIT BLOWER

1234

GRA7211-2

P398-2

RESISTOR

GRA7212-2

1 7

­0 3 1 1 T H

W

AB

LH LOAD

LAMP BRKT

GRA7310-2

8

­4 4 9 2 L E Y

S393-2

J381-2

GRA7213-7

S381-2

HEATER-A / C

CONTROL ON / OFF

EDFCBA

GRA7131-7

RED7300-13

YEL7260-8

S390-2

5

2

1

7

8

8

-

-

­0

3

3

3

1

1

1

1

1

1

T

T

T

H

H

H

W

W

W

S384-2

P403-2

LAMP BRKT

RED7222-1

4 8

­0 3 1 1 T H

W

RH LOAD

HEATER-A / C

UNIT TEMP

ACTUATOR

7810

J382-2

BLU7222-2

BLK7222-1

BLK7222-1

HEATER-A / C UNIT BLOWER MOTOR

12

P383-2

BLU7222-2

RED7222-1

GRA7213-9

RED7300-15

P406-2

READING

LIGHT

12

RED2613-22

5 8

­0 3 1 1 T H

W

S389-2

RED2613-23

P386-2

LH LOAD

LIGHT FLUSH

AB

YEL2941-30

LIGHT FLUSH

P387-2

6 7

­0 3 1 1 T H

W

RH LOAD

AB

YEL2941-31

LOAD LIGHT

COILED

P404-2

AB

7 8

­0 3 1 1 T H

W

6 8

­0 3 1 1 T H

YEL2945-3

W

S386-2

S392-2

9 7

­0 3 1 1 T H

W

READING

LIGHT

S382-2

P390-2

3

RED2613-28

WHT1130-72

WHT2613-4

S391-2

WHT2613-5

2

E

6

D

R

WHT1130-81

T

W

H

2

1

W

T

H

1

ORN6120-5

YEL2614-3

BLK2614-3

1

W

T

H

1

2 3

­3 1 6 2 D E R

12

DOME

2

LIGHT

1

P391-2

A

OVERHEAD

B

-

1

3

2

6

LIGHT

C

T381-2

LAMP SWITCH

6

-

3

1

6

1

GROUND

T382-2

BACKLIGHT

1

-

3

7

3

3

GROUND

T383-2

BACKLIGHT

1

T384-2

DASH SWITCH

1

CONTROL

T385-2

DASH SWITCH

1

CONTROL

T386-2

MAIN SLEEPER

1

-

4

7

GROUND

POWER

OVERHEAD

LIGHT

SWITCH

WHT1130-75

S387-3

WHT1130-82

WHT1130-76 WHT1130-80 WHT1130-79

S394-2

6 2

­0 4 6 2 L E Y

S395-2

0 1

­4 4 9 2 L E Y

AB

P396-2

RED2613-31

LH DOOR

JAMB

SWITCH

4

7

2

2

-

-

4

4

6

6

2

2

L

L

E Y

P395-2

312

E Y

RH DOOR

JAMB

SWITCH

RED2613-25

312 P394-2

8 8

­0 3 1 1 T H

W

1

ACC JACK

# 1 GND

P393-2

LH BAGGAGE

COMPARTMENT

LIGHT

5

8

9

P392-2

RH BAGGAGE

COMPARTMENT

LIGHT

8

8

2

-

-

3

4

1

6

1

2 L

T

E

H

Y

W

P401-2

12

-

2

-

3

4

1

6

1

2

T

L

H

E Y

W

21

Peterbilt 389 Schematic (29)

Schematic - 379 Model Family Electrical

P94-6023

C

29

P381-4

R

YEL7260-5

C

RED7300-11

N

YEL2941-25

P

YEL2945-2

B

E

LOAD

CENTER

DISCONNECT

ROOF

HARNESS

DISCONNECT

SLEEPER

DOOR LOCK

OUTLET TV

CIGAR

LIGHTER

RED2613-19

A

YEL2944-5

F

RED6420-4

D

RED6954-2

H

RED6953-6

G

RED6930

J

ORN6100-19

L

GRAY2945-0

K

GRAY7260-0

M

GRAY2941-0

S

GRAY2944-0

J388-4

GRAY2944-0

N

GRAY2941-0

D

GRAY7260-0

C

P

GRAY2945-0

B

ORN6100-19

F

S

YEL2614-2

R

BLK2614-2

A

GRA7131-10

E

H

GRA6732-13

G

GRA6712-13

J387-1

B

GRA6712-13

A

GRA6732-13

J386-1

12V

1

RED6930

J385-1

1

PWR

RED6953-2

70" SLEEPER

HEATER-A / C

236514

P382-1

GRA7213-0

P397-1

AUX PWR / GND

CONTROL

FAN SPEED

GRA7212-0

GRA7310-0

RED6954-2

WHT1130-69

21

# 2

HEATER-A / C

UNIT BLOWER

RESISTOR

J383-1

1234

YEL7260-4

GRA7211-0

GRA7211-0

GRA7212-0

GRA7310-0

S385-1

J381-1

GRA7213-6

S381-1

HEATER-A / C

CONTROL

ON / OFF

EDFCBA

RED7222-0

YEL7260-6

RED7300-10

GRA7131-10

S390-1

S393-1

S383-1

HEATER-A / C

UNIT TEMP

HEATER-A / C UNIT

ACTUATOR

BLOWER MOTOR

7810

J382-1

BLK7222-0

BLU7222-0

P383-1

BLK7222-0

BLU7222-0

RED7222-0

YEL2640-33

12

GRA7213-5

S395-1

LIGHT STORE

COMPARTMENT

132

P410

RED7300-12

WHT1130-57

S387-2

ILLUMINATION LIGHTS

P385-1

YEL2640-32

RH GENERAL

21

RED2613-9

S389-1

WHT1130-65

S388-2

LH LOAD

LIGHT 1

P386-1

AB

WHT1130-63

S386-1

S384-1

WHT1130-47

WHT1130-58

S382-1

RH LOAD

LIGHT 1

P387-1

YEL2941-26

WHT1130-60

RED2613-17

AB

YEL2941-28

LOAD LIGHT

3

P404-1

AB

YEL2945-2

WHT1130-48

S396-1

WHT1130-56

S392-1

ORN6120-4

RED2613-10

YEL2640-30

RED2613-18

WHT1130-40

RED2613-13

WHT1130-41

RED2613-21

WHT1130-64

WHT2613-3

RED2613-16

RED6953-9

ORN6120-7

RED6953-4

WHT1130-45

WHT1130-67

RED6953-4 RED6953-5

WHT2613-3

WHT1130-68

ORN6120-6

YEL2614-2

BLK2614-2

WHT1130-106

P408

P406

P388-1

P389-1

P390-1

P391-1

J391

J389

2B

9

10

8

7

3

2B

7

9

1

3

10

1

3

COMPARTMENT

1

2

2

1

2

1

1

2

A

B

FLUORESCENT

C

J391 REF / FAN

SWITCH OVHD FLUORESCENT

CIGAR

LIGHTER

BACKLIGHT

SWITCH BAG

LIGHT BUNK

LH GENERAL

ILLUMINATION

LIGHTS

LIGHT OVHD

GEN ILLUM

LIGHT OVHD

SWITCH

LIGHT

9

7

B

3

2B

A

1 6

5B

4

8

10

7

9

B

3

2B

A

1 6

5B

4

10

8

S394-1

S397

P398-1

LH LOAD

LAMP 2

YEL2944-6

WHT1130-62

AB

RED6420-7

WHT1130-55

P407

1

J390

1

12V OUTLET

VCR

VCR

GN

P402-1

RED6420-5

WHT1130-54

12 P403-1 AB

BUNK

END

TRAY

WHT1130-53

RH LOAD

LAMP 2

YEL2944-7

P396-1

YEL2640-34

RED2613-20

SWITCH BAG

COMPARTMENT

LIGHT DOOR

JAMB LH

312

P395-1

YEL2640-36

SWITCH BAG

COMPARTMENT

LIGHT DOOR

JAMB RH

WHT1130-52

RED2613-12

312

P405-1

P394-1

1

1

CIGAR

TV

LIGHTER

GRD

GROUND

P393-1

LH BAGGAGE

COMPARTMENT

LIGHT

WHT1130-59

21

YEL2640-35

WHT1130-66

P392-1

RH BAGGAGE

COMPARTMENT

LIGHT

YEL2640-31

WHT1130-49

12

RED6953-3

DIGITAL CLOCK

WHT1130-70

3214

J392

RED6953-5

WHT1130-42

WHT1130-61

P409

T386-4

B

A

1

MAIN SLEEPER

REF / FAN

GROUND

Peterbilt 389 Schematic (30)

Schematic - 379 Model Family Electrical

P94-6023

C

30

LOAD

CENTER

DISCONNECT

ROOF

HARNESS

DISCONNECT

SLEEPER

DOOR

LOCK

P381-6

J388-6

J387-2

R C N P B E A F D H G J L K M S

N D C P B F S R A E H G

B A

YEL7260-11

RED7300-17 YEL2941-32 YEL2945-4

RED2613-30

YEL2944-11

RED6954-4

RED6953-8

ORN6100-21 GRA2945-10 GRA7260-10 GRA2941-10

GRA2944-10

GRA2944-10

GRA2941-10

GRA7260-10

GRA2945-10

ORN6100-21

WHT2613-8

GRA7131-8

GRA6732-11 GRA6712-11

GRA6712-11 GRA6732-11

HEATER-A / C

236514

P382-3

GRA7213-11

CONTROL

FAN SPEED

GRA7310-3

LOAD LIGHT

COILED

P404-3

AB

YEL2945-4

RED2613-38 WHT1130-94

RED2613-37 WHT2613-8

WHT1130-190

WHT1130-101

WHT1130-99

P390-3

3

DOME LIGHT

2 1

P391-3

B

OVERHEAD

A

LIGHT

C

T386-3

MAIN SLEEPER

1

GROUND

WHT1130-95

J381-3

GRA7213-10

S381-3

HEATER-A / C

CONTROL

ON / OFF

EDFCBA

GRA7131-8

RED7222-3

YEL7260-12

RED7300-16

S390-3

HEATER-A / C

UNIT BLOWER

RESISTOR

1234

J383-3

GRA7212-3

GRA7211-3

YEL7260-10

S385-3

GRA7310-3

GRA7212-3

GRA7211-3

S393-3

HEATER-A / C

UNIT TEMP ACTUATOR

7810

J382-3

BLK7222-3

BLU7222-3

WHT1130-100

S384-3

BLK7222-3

S392-3

HEATER-A / C UNIT

BLOWER MOTOR

12

P383-3

BLU7222-3

RED7222-3

S394-3

RED7300-18

GRA7213-12

RED2613-36

S387-4

S389-3

S386-3

P386-3

LH LOAD

LIGHT FLUSH

AB

YEL2941-27

RH LOAD

LIGHT FLUSH

P387-3

AB

WHT1130-105

YEL2941-33

J385-2

ACC JACK

1

RED6953-8

# 1

36" SLEEPER

P397-3

AUX PWR / GND

S395-3

WHT1130-104

RED6954-4

21

# 2

P398-3

YEL2944-12

BA

LH LOAD

LAMP BRKT

WHT1130-102

P403-3

YEL2944-4

RH LOAD

LAMP BRKT

WHT1130-98

BA

P396-3

RED2613-35

LH DOOR

JAMB

SWITCH

YEL2640-29

YEL2640-39 YEL2640-38

RED2613-29

P395-3

RH DOOR

JAMB

SWITCH

312

312

P394-3

ACC JACK

# 1 GND

WHT1130-97

1

P393-3

LH BAGGAGE

COMPARTMENT

LIGHT

YEL2640-37

WHT1130-103

21

P392-3

RH BAGGAGE

COMPARTMENT

LIGHT

YEL2640-40

WHT1130-96

12

P401-3

RED2613-34

READING

LIGHT

WHT1130-191

21

Peterbilt 389 Schematic (31) Loading...

Peterbilt 389 Schematic (2024)

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