GM Service Manual Online
For 1990-2009 cars only
Connector 1: Fuse Block - Underhood (Primary) Label
Connector 2: Fuse Block - Underhood (Primary) Top View
Connector 3: Fuse Block - Underhood (Primary) Bottom View
Connector 4: Fuse Block - Underhood (Primary) Wire Entry
Connector 5: Fuse Block - Underhood (Secondary) Label
Connector 6: Fuse Block - Underhood (Secondary) Top View
Connector 7: Fuse Block - Underhood (Secondary) Bottom View
Connector 8: Fuse Block - Underhood (Secondary) Wire Entry
Connector 9: Fuse Block - I/P - 1 Label
Connector 10: Fuse Block - I/P - 1 Front View
Connector 11: Fuse Block - I/P - 1 Back View
Connector 12: Fuse Block - I/P - 1 Wire Entry
Connector 13: Fuse Block - I/P - 2 Label
Connector 14: Fuse Block - I/P - 2 Front View
Connector 15: Fuse Block - I/P - 2 Back View
Connector 16: Fuse Block - I/P - 2 Wire Entry

Fuse Block - Underhood (Primary) Label


Object Number: 1556841  Size: LF

Fuse Block - Underhood (Primary) Label Usage

Device

Rating

Description

A/C COMP Fuse

10A

A/C Compressor

ABS-1 Fuse

40A

ABS

ABS-2 Fuse

40A

ABS

ABS-3 Fuse

40A

ABS

E/A PUMP Fuse

40A

Air Compressor (K16)

ECM RELAY (LG4/LF8)

--

Engine Control Module (ECM)

ECM-B Fuse (LG5/LF6)

25A

Engine Control Module (ECM)

ECM-C (LF6)

25A

Engine Control Module (ECM)

ENG-1 Fuse

10A

PTO Switch (PTO), Overdrive Defeat Switch (Allison® LCT), Rear Axle Shift Motor - Two Speed (HPZ)

ENG-2 Fuse

15A

Engine Control Module (ECM) (LLY), Heated Fuel Relay(LG4/LG5), Exhaust Brake Relay (K40), Fuel Injectors/Ignition Coils (L18)

30A

Engine Control Module (ECM) (LMM)

ENG-3 Fuse

15A

Fuel Injectors/Ignition Coils (L18), Intake Air (IA) Heater Relay (LG5), PTO Relay (PTO), Reverse Relay (Allison® MD)

ENG-4 Fuse (w/o LG5/LF6)

10A

Cruise Control Switch (K34)

ENGINE Fuse

50A

Ignition - A Relay, Ignition - B Relay

FUEL Fuse (w/o LG5/LF6)

20A

Fuel Relay (LLY/L18), Not Used (LG4)

FUEL RELAY

--

Fuel Pump (L18/LLY/LMM)

HORN Fuse

20A

Horn Relay

HORN RELAY

--

Horn

HTD FUEL Fuse

20A

Heated Fuel Relay (w/o L18)

HTD FUEL RELAY

--

Fuel Heater (w/o L18)

IGN - A RELAY

--

Ignition

IGN - B RELAY

--

Ignition

NEUTRAL START RELAY

--

Neutral Start Relay (Allison® MD) (LG4)

O2S Fuse (L18)

15A

Heated Oxygen Sensor (HO2S) (L18)

PCM-B Fuse

10A (w/o LG4)

Serial Data Gateway (SDG), Powertrain Control Module (PCM) (L18), Engine Control Module (ECM) (w/o LG5), Transmission Control Module (TCM) (w/o LF8), Electric Shift Selector

25A (LG4)

PTO RELAY

--

Power Take-Off (PTO)

REVERSE RELAY (Allison® MD)

--

Backup Alarm (UZF), Backup Lamps

RR DEFOG Fuse

30A

HVAC Control Assembly Connector (C49)

SPARE Fuse

10A

Not Used

SPARE Fuse

15A

Not Used

SPARE Fuse

20A

Not Used

SPARE Fuse

30A

Not Used

STARTER RELAY

--

Starter Solenoid

STUD A Fuse

30A

AUX BODY B+ Upfitter Provision A

STUD B Fuse

30A

AUX BODY B+ Upfitter Provision B

TCM Fuse

15A

Transmission Control Module (TCM) (LF8)

Fuse Block - Underhood (Primary) Top View


Object Number: 1556851  Size: LF

Fuse Block - Underhood (Primary) Bottom View


Object Number: 1556855  Size: LF

Fuse Block - Underhood (Primary) Wire Entry

Connector Part Information

  • OEM: 12146281
  • Description: 86-Way Electrical Center (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood (Primary) Wire Entry

Pin

Wire Color

Circuit No.

Function

A1

PK

339

Ignition 1 Voltage (LG4/LG5)

D-GN/WH

465

Fuel Pump Relay Control - Primary (L18/LLY/LMM)

A3

OG

1640

Battery Positive Voltage (L18/LLY/LMM)

OG

1440

Fuel Injection Control (LG4/LG5)

A4

RD

1042

Battery Positive Voltage (LLY/LMM)

PK

439

Ignition 1 Voltage (w/o LLY/LMM)

A6

RD

1042

Battery Positive Voltage

A7

PU

806

Crank Voltage

A9

RD

242

Battery Positive Voltage

B1

GY

120

Fuel Pump Supply Voltage (L18/LLY/LMM)

PK

2677

Battery Positive Voltage (LG4/LG5)

B2

--

--

Not Used

B3

BK

250

Ground (w/o LF8)

B4

PU

2000

Ignition 1 Relay Output

B5

--

--

Not Used

B6

GY

2219

FICM Relay Control (LMM)

BK

250

Ground (All others)

B7

PU

6

Starter Solenoid Crank Voltage

B8

--

--

Not Used

B9

YE

447

Starter Relay Coil Control

C1

OG

740

Battery Positive Voltage

C3

OG

740

Battery Positive Voltage

C4

PK

439

Ignition 1 Voltage

C6

RD

1042

Battery Positive Voltage

D1

D-GN

29

Horn Control

D2

--

--

Not Used

D3

BK

28

Horn Relay Control

D4

PU

2000

Ignition 1 Relay Output

D5

--

--

Not Used

D6

BK

250

Ground

D7

PK

539

Ignition 1 Voltage (LG5)

L-GN

488

PTO On Switch - Signal (L18/LLY/LMM)

OG

440

Battery Positive Voltage (LG4/LF8)

D9

PK

239

Ignition 1 Voltage (L18/LLY/LMM)

WH

2561

PTO Supply Voltage (LG5)

OG

440

Battery Positive Voltage (LG4/LF8)

E7

BK/WH

1120

Ignition 1 Voltage (LG4/LF8)

WH

2561

PTO Supply Voltage (L18/LLY/LMM)

D-GN/WH

2665

PTO Supply Voltage (LG5)

E8

--

--

Not Used

E9

L-GN

488

PTO On Switch - Signal (LG5)

L-BU

1121

Battery Relay Output-Coil (LG4/LF8)

PU

2562

PTO Control (L18/LLY/LMM)

F1

RD

1

Battery Positive Voltage

F3

--

2000

Ignition Voltage Bus (w/o LG5)

PU

2000

Ignition Voltage (LG5)

F5

--

2000

Ignition Voltage Bus

F7

--

1

Battery Positive Voltage Bus

F9

L-GN

24

Backup Lamp Supply Voltage (A/T)

F11

GY

1524

Backup Lamp Supply Voltage (A/T)

G2

PU

1093

Rear Defog Element Supply Voltage

G4

PK

239

Ignition 1 Voltage

G6

PK

539

Ignition 1 Voltage (w/o LMM)

G8

OG

440

Battery Positive Voltage

G10

--

--

Not Used

G12

--

--

Not Used

H1

--

--

Not Used

H3

PU

2000

Ignition Voltage

H5

PU

2000

Ignition Voltage

H7

RD

1

Battery Positive Voltage

H9

PK

539

Ignition 1 Voltage (Allison® MD)

PK

139

Ignition 1 Voltage (Allison® LCT)

H11

PK

139

Ignition 1 Voltage (Allison® MD)

J2

OG

440

Battery Positive Voltage (LF8)

J4

PK

639

Ignition 1 Voltage (w/o LG5)

J6

PK

339

Ignition 1 Voltage

J8

OG

1440

Battery Positive Voltage (w/o L18)

J10

D-GN

1433

Clutch Start Switch Signal (Allison® MD)

J12

YE

1479

A/T Neutral Signal (Allison® MD)

OG

440

Battery Positive Voltage (LMM)

K1

--

--

Not Used

K3

--

--

Not Used

K5

--

--

Not Used

K7

--

--

Battery Positive Voltage Bus

K9

BK

250

Ground (LMM)

K11

WH

2368

Cooling Fan Clutch Supply Voltage (LMM)

L2

--

--

Not Used

L4

--

--

Not Used

L6

OG

440

Battery Positive Voltage (LMM)

PK

739

Ignition 1 Voltage (L18)

L8

OG

1240

Battery Positive Voltage

L10

BK

250

Ground (Allison® MD)

L12

PU

806

Crank Voltage (Allison® MD)

WH/BK

2366

Cooling Fan Clutch Control (LMM)

M1

RD

442

Battery Positive Voltage

M2

RD

1642

Battery Positive Voltage

M3

RD

42

Battery Positive Voltage

M4

RD

1042

Battery Positive Voltage

M5

OG

1840

Battery Positive Voltage

M6

OG

740

Battery Positive Voltage

OG

740

Battery Positive Voltage

M7

OG

1640

Battery Positive Voltage (L18/LLY/LMM)

OG

1540

Battery Positive Voltage (LG5)

M8

OG

1540

Battery Positive Voltage

N1-N8

--

1

Battery Positive Voltage Bus

P7

--

1

Battery Positive Voltage Bus

P8

--

1

Battery Positive Voltage Bus

R7

--

--

Battery Positive Voltage (AUX BODY B+ Upfitter Provision Stud A)

R8

--

--

Battery Positive Voltage (AUX BODY B+ Upfitter Provision Stud B)

Fuse Block - Underhood (Secondary) Label


Object Number: 1920695  Size: SF

Fuse Block - Underhood (Secondary) Label Usage

No.

Device

Rating

Description

1

IGN 1 Fuse

40A

Ignition Switch, Starter Relay, Transfer Case Shift Control Module (NP1)

2

IGN 2 Fuse

50A

Ignition 4 Relay

3

IGN 3 Fuse

60A

Ignition Switch

4

BAT/HAZ Fuse

60A

Fuse Block - I/P

5

HDLP Fuse

40A

Headlamp Switch, Fuse Block - I/P

6

LIGHTING Fuse

40A

Courtesy Fuse, Park Fuse

7

HVAC Fuse

50A

Blower Motor Resistor Assembly (C40/C60)

8

ELEC BRK/BRKLP Circuit Breaker

30A

Brake Lamps (C6/C7/C8)

Electronic Brake Control Module (EBCM) (C4/C5)

Fuse Block - Underhood (Secondary) Top View


Object Number: 1556879  Size: LF

Fuse Block - Underhood (Secondary) Bottom View


Object Number: 1556880  Size: LF

Fuse Block - Underhood (Secondary) Wire Entry

Connector Part Information

  • OEM: 12092231
  • Description: 16-Way Fuse Block Component (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood (Secondary) Wire Entry

Pin

Wire Color

Circuit No.

Function

A1

RD

242

Battery Positive Voltage

A2

RD

1242

Battery Positive Voltage

A3

RD

342

Battery Positive Voltage

A4

RD

142

Battery Positive Voltage

A5

RD

1142

Battery Positive Voltage

A6

RD

1342

Battery Positive Voltage

A7

RD

542

Battery Positive Voltage

A8

RD

642

Battery Positive Voltage (C4/C5)

1542

Battery Positive Voltage (RQ2 & U86/RQ3)

B1-B8

RD

1

Battery Positive Voltage Bus

Fuse Block - I/P - 1 Label


Object Number: 1921199  Size: LF

Fuse Block - I/P - 1 Label Usage

Fuse No.

Device

Rating

Description

1

STOP Fuse/Circuit Breaker

20A

Stop Lamp Switch, Trailer Stop Lamp Switch

2

--

--

Not Used

3

PRK LAMPS Fuse/Circuit Breaker

20A

Headlamp Switch, Transfer Case Shift Control Switch (NP1)

4

PCM-1 Fuse/Circuit Breaker

15A

Electronic Brake Control Module (EBCM), Powertrain Control Module (PCM) (L18), Engine Control Module (ECM) (LG4/LG5/LLY), Throttle Actuator Control (TAC) Module (L18)

5

AUX WIRE Fuse/Circuit Breaker

15A

HTD MIR Relay, DRL Module, Upfitter Connector

6

HTR/AC Fuse/Circuit Breaker

20A

Air Temperature Actuator (C40/C60), Vacuum Pump (w/o L18), HVAC Control Assembly (C40/C60), Blower Motor Relay - Auxiliary (C36)

7

HAZRD Fuse/Circuit Breaker

25A

Turn Signal/Multifunction Switch

8

PWR POST Fuse/Circuit Breaker

20A

Cigar Lighter (DT4), Controller Area Network (CAN) Connector, Auxiliary Power Outlet 1, Auxiliary Power Outlet 2, Data Link Connector (DLC)

9

CTSY LAMPS Fuse/Circuit Breaker

10A

Dome Lamps

10

GAUGES Fuse/Circuit Breaker

10A

Remote Control Door Lock Receiver (RCDLR) (AU0), Headlamp Switch, Daytime Running Lights (DRL) Relay, Gage Center, Driver Information Center (DIC), Instrument Panel Cluster (IPC)

11

STRTR Fuse/Circuit Breaker

10A

Starter Relay, Clutch Start Switch (M/T), Park/Neutral Position (PNP) Switch (Allison® LCT), Neutral Start Relay (Allison® MD), Electronic Brake Control Module (EBCM)

12

AXLE/4WD Fuse/Circuit Breaker

20A

Rear Axle Shift Relay - Two Speed (HPZ)

13

TRLR Fuse/Circuit Breaker

20A

LT TRN TRLR Relay, RT TRN TRLR Relay

14

RDO/CHIME Fuse/Circuit Breaker

15A

Radio, Chime Module (UL5/UXZ), Instrument Panel Cluster (IPC)

15

DRL Fuse/Circuit Breaker

15A

Daytime Running Lights (DRL) Diode

16

AIRBAG Fuse/Circuit Breaker

10A

Inflatable Restraint I/P Module (AK5), Inflatable Restraint Sensing and Diagnostic Module (SDM) (AJ3/AK5)

17

ILLUM Fuse/Circuit Breaker

10A

IPC, Radio, HVAC Control Assembly, A/T Shift Lever Position Indicator

18

BRK Fuse/Circuit Breaker

10A

A/C Compressor Clutch Relay (C60), High Idle Switch (UF3), Clutch Pedal Position (CPP) Switch (M/T), ABS Relay (JE4), Stop Lamp Switch

19

PWR/ACCY Fuse/Circuit Breaker

20A

Blower Motor Relay - Auxiliary (C49), Outside Rearview Mirror - Driver (DB6/DB7/DB8), Outside Rearview Mirror - Passenger (DB6/DB7/DB8), Door Lock Switch - Driver (AU3), Door Lock Switch - Passenger (AU3), Remote Control Door Lock Receiver (RCDLR) (AU0)

20

IGN-4 Fuse/Circuit Breaker

20A

Instrument Panel Cluster (IPC), Windshield Wiper Motor , Turn Signal/Multifunction Switch, IGN-4 Relay

21

MKR LTS Fuse/Circuit Breaker

25A

MKR LTS Relay

22

TRN/BCK/UP Fuse/Circuit Breaker

15A

Reverse Relay (Allison® MD), Backup Lamp Switch (M/T), Turn Signal/Multifunction Switch

23

TRANS Fuse/Circuit Breaker

10A

Instrument Panel Cluster (IPC), SDG Module, TCM , ECM, PCM

24

HYD/AIR BRK Fuse/Circuit Breaker

10A

Low Air Pressure Switch, Air Brake Dryer (JE4/JTU), Traction Control Switch (NW9), Air Suspension Dump Switch (G40/G45/GSJ)

A-B

--

--

Not Used

Fuse Block - I/P - 1 Front View


Object Number: 1556863  Size: LF

Fuse Block - I/P - 1 Back View


Object Number: 1556866  Size: LF

Fuse Block - I/P - 1 Wire Entry

Connector Part Information

  • OEM: 12110746
  • Description: 48-Way Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - I/P - 1 Wire Entry

Pin

Wire Color

Circuit No.

Function

A2-A3

--

--

Not Used

A6-A7

--

--

Not Used

B2

--

142

Battery Positive Voltage Bus

B4

RD

142

Battery Positive Voltage

B6

--

142

Battery Positive Voltage Bus

B8

--

142

Battery Positive Voltage Bus

C1

OG

540

Battery Positive Voltage

C3

OG

640

Battery Positive Voltage

C5

OG

1040

Battery Positive Voltage

C7

OG

140

Battery Positive Voltage

D2

BN

4

Accessory Voltage

D4

--

142

Battery Positive Voltage Bus

D6

RD

142

Battery Positive Voltage

D8

--

142

Battery Positive Voltage Bus

E1

YE

43

Accessory Voltage

E3

OG

1140

Battery Positive Voltage

E5

OG

840

Battery Positive Voltage

E7

--

--

Not Used

F2

--

1142

Battery Positive Voltage Bus

F4

RD

1142

Battery Positive Voltage

F6

--

1342

Battery Positive Voltage Bus

F8

RD

1342

Battery Positive Voltage

G1

OG

1340

Battery Positive Voltage

G3

OG

340

Battery Positive Voltage

G5

OG

40

Battery Positive Voltage

G7

OG

240

Battery Positive Voltage

BN

241

Ignition 3 Voltage (NP1)

H2

--

3

Ignition 1 Voltage Bus

H4

PK

3

Ignition 1 Voltage

H6

--

3

Ignition 1 Voltage Bus

H8

--

3

Ignition 1 Voltage Bus

J1

PK

139

Ignition 1 Voltage

J3

YE

1139

Ignition 1 Voltage

J5

PK

39

Ignition 1 Voltage

J7

PK

439

Ignition 1 Voltage

K2

WH

1390

Off Run Crank Voltage

K4

D-GN

44

Instrument Panel Lamps Dimmer Switch Signal

K6

YE

5

Crank Voltage

K8

OG

300

Ignition 3 Voltage

L1

PK

1020

Off Run Crank Voltage

L3

GY

8

Instrument Panel Lamp Supply Voltage 1

L5

PU

806

Crank Voltage

L7

BN

641

Ignition 3 Voltage

M2

--

300

Ignition 3 Voltage Bus

M4

OG

300

Ignition 3 Voltage

M6

--

300

Ignition 3 Voltage Bus

M8

--

300

Ignition 3 Voltage Bus

N1

BN

541

Ignition 3 Voltage

N3

BN

441

Ignition 3 Voltage

N5

BN

241

Ignition 3 Voltage (C6/C7/C8)

N7

GY

141

Ignition 3 Voltage

Fuse Block - I/P - 2 Label


Object Number: 1781065  Size: SF

Fuse Block - I/P - 2 Label Usage

Device

Rating

Description

BRK Circuit Breaker

10A

Brake Warning Lamp, CHMSL Relay

BRK LAMP Relay

--

Trailer Stop Lamps (RQ2/U86/RQ3)

CHMSL Relay

--

Brake Lamps (C4/C5), Tractor/Trailer Wiring (C6/C7/C8)

DRL Relay

--

Daytime Running Lights (DRL)

ECM Relay

--

Engine Control Module (ECM) (w/o LG4)

HTD MIR Relay

--

Outside Rearview Mirror - Driver (DB6/DB7/DB8), Outside Rearview Mirror - Passenger (DB6/DB7/DB8)

IGN-4 Relay

--

Ignition

LT PARK Circuit Breaker

10A

Left Parking Lamps

LT REAR TRN/STOP Circuit Breaker

10A

Transfer Case Shift Control Switch (NP1)

LT TRN TRLR Relay

--

Left Trailer Turn Signal

MKR LTS Relay

--

Side Marker and Clearance Lamps

PTO Relay

--

Power Take-Off (LG4/PTO)

PWR WNDW Circuit Breaker

25A

Power Windows

RDO Circuit Breaker

10A

Radio Blunt Cut

RT PARK Circuit Breaker

10A

Right Parking Lamps

RT REAR TRN/STOP Circuit Breaker

10A

Right Rear Trailer Wiring

RT TRN TRLR Relay

--

Right Trailer Turn Signal

Fuse Block - I/P - 2 Front View


Object Number: 1556872  Size: MF

Fuse Block - I/P - 2 Back View


Object Number: 1556877  Size: MF

Fuse Block - I/P - 2 Wire Entry

Connector Part Information

  • OEM: 12129833
  • Description: 94-Way F Fuse Block (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - I/P - 2 Wire Entry

Pin

Wire Color

Circuit No.

Function

A30

--

--

Not Used

A85

--

--

Not Used

A86

--

--

Not Used

A87

--

--

Not Used

A87A

--

--

Not Used

B30

--

--

Not Used

B85

--

--

Not Used

B86

--

--

Not Used

B87

--

--

Not Used

B87A

--

--

Not Used

C30

--

--

Not Used

C85

--

--

Not Used

C86

--

--

Not Used

C87

--

--

Not Used

C87A

--

--

Not Used

D30

YE

318

Left Rear Trailer Stop Turn Lamp Supply Voltage

D85

YE

618

Left Rear Turn Signal Lamp Supply Voltage (C4/C5)

L-BU

14

Left Turn Signal Status Signal (C6/C7/C8)

D86

BK

450

Ground

D87

OG

640

Battery Positive Voltage

D87A

--

--

Not Used

E30

D-GN

319

Right Rear Trailer Stop Turn Lamp Supply Voltage

E85

D-GN

619

Right Rear Turn Signal Lamp Supply Voltage (C4/C5)

D-GN

15

Right Turn Signal Status Signal (C6/C7/C8)

E86

BK

450

Ground

E87

OG

640

Battery Positive Voltage

E87A

--

--

Not Used

F30

OG

267

Heated Mirror Supply Voltage

F85

BK

450

Ground

F86

OG

267

Heated Mirror Supply Voltage

F87

BN

641

Ignition 3 Voltage

F87A

--

--

Not Used

G30

WH

17

Stop Lamp Supply Voltage

G85

BK

450

Ground

G86

L-BU

1320

Stop Lamp Supply Voltage

G87

YE

895

Left Rear Stop Lamp Supply Voltage

G87A

--

--

Not Used

H30

TN

12

Headlamp Low Beam Supply Voltage

H85

L-GN/BK

592

Daytime Running Lights (DRL) Relay Control

H86

PK

39

Ignition 1 Voltage

H87

YE

634

DRL Diode Supply Voltage

H87A

PU

544

Headlamp Low Beam Supply Voltage

J30

BK/WH

1120

ECM Power (w/o LG4)

WH

2561

PTO Supply Voltage (LG4/PTO)

J85

OG

440

Battery Positive Voltage (w/o LG4)

L-GN

488

PTO On Switch - Signal (LG4)

J86

L-BU

1121

ECM Power Enable (w/o LG4)

PU

2562

PTO Supply Voltage (LG4)

J87

OG

440

Battery Positive Voltage (w/o LG4)

PK

539

Ignition 1 Voltage (LG4)

J87A

--

--

Not Used

K30

RD

1411

Trailer Stop Relay - Contact - N.O.

K85

L-BU

1320

Stop Lamp Supply Voltage

K86

BK

450

Ground

K87

RD

1542

Battery Positive Voltage

K87A

--

--

Not Used

L30

BK

755

RAP Relay Coil Control

L85

YE

43

Accessory Voltage

L86

BK

450

Ground

L87

RD

1242

Battery Positive Voltage

L87A

--

--

Not Used

M30

OG

1340

Battery Positive Voltage

M85

OG/BK

2666

Ignition 1 Voltage

M86

BN/WH

2609

Right Rear Park Lamps Supply Voltage

M87

D-GN

21

Marker Lamps Supply Voltage

M87A

--

--

Not Used

N30

PK

2677

Battery Positive Voltage

N85

PK

239

Ignition 1 Voltage

N86

BK

450

Ground

N87

OG

1440

Battery Positive Voltage

N87A

--

--

Not Used

P30

GY

5481

Ground

P85

BK/WH

1120

Ground

P86

BN

5347

Ground

P87

BK/WH

1120

Ground

P87A

--

--

Not Used

R1

BK

755

Battery Positive Voltage

R2

YE

343

Accessory Voltage

R3

--

755

Battery Positive Voltage Bus

R4

OG

2040

Battery Positive Voltage

R5

BN

9

Park Lamp Supply Voltage

R6

BN

2509

Left Rear Park Lamps Supply Voltage

R7

--

9

Park Lamp Supply Voltage Bus

R8

BN/WH

2609

Right Rear Park Lamps Supply Voltage

S1-S2

--

--

Not Used

S3

YE

18

Left Rear Stop Turn Lamp Supply Voltage

S4

YE

618

Left Rear Turn Signal Lamp Supply Voltage

S5-S6

--

--

Not Used

S7

WH

17

Stop Lamp Switch Signal

S8

L-BU

1320

Stop Lamp Supply Voltage

T1-T2

--

--

Not Used

T3

D-GN

19

Right Rear Stop Turn Lamp Supply Voltage

T4

D-GN

619

Right Rear Turn Signal Lamp Supply Voltage

T5-T8

--

--

Not Used