GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 GMC K Pickup - 4WD 🢒 Body and Accessories 🢒 Body Control System 🢒 Instrument Panel, Gages, and Console Connector End Views
Table 1: Fuel Tank Level Sender Connector (Gas)
Table 2: Fuel Tank Level Sender Connector (Diesel)
Table 3: Engine Temperature Switch Connector
Table 4: Engine Oil Pressure Sender Connector (Gas)
Table 5: Engine Oil Pressure Sender Connector (Diesel)
Table 6: Low Engine Coolant Level Indicator Module Connector (Diesel)
Table 7: Low Engine Coolant Level Indicator Sensor Connector (Diesel)
Table 8: Park/Neutral Position Switch, C1 Connector
Table 9: Park/Neutral Position Switch, C2 Connector
Table 10: Instrument Cluster Connector

Fuel Tank Level Sender Connector (Gas)


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 3F Metri-pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Gauge Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

470

Sensor Return

Fuel Tank Level Sender Connector (Diesel)


Object Number: 258174 Size: CH

Connector Part Information
    • 12010973
    • 2M W/P 5HD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

PPL

30

Fuel Gauge Sensor Signal

Engine Temperature Switch Connector


Object Number: 333039 Size: CH

Connector Part Information
    • 12089499
    • 1F Metri-pack 150 (BLU)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

35

Coolant Temperature Indicator Lamp Output

B

--

--

Not Used

Engine Oil Pressure Sender Connector (Gas)


Object Number: 39663 Size: CH

Connector Part Information
    • 12065299
    • 4-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

31

Oil Pressure Indicator Lamp Output

B-D

--

--

Not Used

Engine Oil Pressure Sender Connector (Diesel)


Object Number: 39663 Size: CH

Connector Part Information
    • 12065299
    • 4-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

31

Oil Pressure Indicator Lamp Output

B

--

--

Not Used

C

GRY

120

Fuel Pump Motor Feed

D

ORN

440

Fuse Output-Battery-Type III Fuse

Low Engine Coolant Level Indicator Module Connector (Diesel)


Object Number: 62420 Size: CH

Connector Part Information
    • 12004706
    • P/C Edgeboard (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Fuse Output - Ignition 1 Type III Fuse

B

--

--

Not Used

C

BLK

150

Ground

D

--

--

Not Used

E

YEL/BLK

68

Low Coolant Level Indicator Lamp Output

F

LT GRN

1478

Low Coolant Sensor Signal

Low Engine Coolant Level Indicator Sensor Connector (Diesel)


Object Number: 68719 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1478

Low Coolant Sensor Signal

B

BLK

150

Ground

Park/Neutral Position Switch, C1 Connector


Object Number: 68780 Size: CH

Connector Part Information
    • 12129840
    • 7-Way F Metri-pack Mixed (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

1737

Transmission-mounted Neutral Safety Switch Output

B

LT GRN

275

Transmission-mounted Neutral Safety Switch Output - Park

C

PNK

139

Fuse Output - Ignition 1 - Type III Fuse

D

BLK

150

Ground

E

PPL

806

Fuse Output - Crank - Type III Fuse

F

LT GRN

24

Backup Lamp Feed

G

PPL/WHT

1035

Starter Relay Feed - Coil

Park/Neutral Position Switch, C2 Connector


Object Number: 40412 Size: CH

Connector Part Information
    • 12191757
    • 4-Way F Metri-pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

Transmission Position Switch Signal (Bit 1)

B

GRY

773

Transmission Position Switch Signal (Bit 3)

C

WHT

776

Transmission Position Switch Signal (Parity)

D

YEL

772

Transmission Position Switch Signal (Bit 2)

Instrument Cluster Connector


Object Number: 39791 Size: CH

Connector Part Information
    • 12146397
    • 32 Way P/C BOW P2S (BLK)

Pin

Wire Color

Circuit No.

Function

1

BRN

358

SIR Indicator Lamp Output

2

ORN

1140

Fuse Output - Battery - Type III Fuse (Z56)

3

LT BLU

14

Turn Signal Lamp Feed (Left Turn)

4

BLK/WHT

451

Ground

5

LT GRN

11

Hi Beam

6

WHT

121

Tachometer

7

PNK

39

Ignition 1 (Manual)

7

PNK

1020

Ignition O-PRNDL (Automatic)

8

PPL/WHT

1382

Oil Pressure

9

BLK/WHT

771

PRNDL A

10

GRY

773

PRNDL C

11

YEL

772

PRNDL B

12

WHT

776

PRNDL/Parity

13

DK GRN

35

Coolant Temperature

14

DK GRN

389

Speedometer (Gas)

14

DK GRN/WHT

817

Vehicle Speed Signal - 4000 Pulses Per Mile (Diesel)

15

TAN

31

Oil Pressure Indicator Lamp Output

16

PPL

30

Fuel Gauge Sensor Signal

17

LT GRN/BLK

592

Daytime Running Lamp Relay Output - Coil

18

YEL/BLK

508

Water In Fuel Indicator Lamp Output (Diesel)

19

BRN

25

Battery Lamp

20

TAN/BLK

456

Shift Indicator Lamp Output (Gas, Manual)

20

DK BLU

507

Glow Plug Indicator Lamp Signal (Diesel)

21

WHT/BLK

176

Service Throttle Soon Indicator Lamp Output (Diesel)

22

PNK

39

Ignition 1

23

BRN/WHT

419

Check Engine Indicator Lamp Output

24

LT BLU/BLK

1567

Service 4WD/AWD Indicator Lamp Output

25

YEL/BLK

68

Low Coolant Level Indicator Lamp Output (Diesel)

26

YEL

749

Security Lamp Input

27

LT GRN

867

ABS Lamp

28

TAN/WHT

33

Brake Warning Indicator Lamp Output

29

GRY

8

I/P Dimming

30

YEL

234

Seat Belt Lamp

31

BLK/WHT

451

Ground

32

DK BLU

15

Turn Signal Lamp Feed (Right Front)