GM Service Manual Online
For 1990-2009 cars only
Table 1: Ambient Air Temperature Sensor
Table 2: Brake Fluid Level Indicator Sensor
Table 3: Driver Information Display
Table 4: Engine Coolant Level Indicator Module
Table 5: Engine Oil Level Indicator Switch
Table 6: Instrument Cluster C1
Table 7: Instrument Cluster C2
Table 8: Traction Control Module Malfunction Indicator Lamp

Ambient Air Temperature Sensor


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

735

Ambient air temperature sensor signal

B

BLK

1550

Ground

Brake Fluid Level Indicator Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2-Way F Metri-Pack 150.2 Series Sealed, P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1450

Ground

B

TAN/WHT

33

Brake warning indicator lamp output

Driver Information Display


Object Number: 62467  Size: CH

Connector Part Information

    • 12064980
    • 9-Way Female MIC/P 100 (BLK)

Pin

Wire Color

Circuit No.

Function

7

YEL

43

Fused accessory feed

8

BLK

1550

Ground

9

DK GRN

389

Vehicle speed signal

10

LT GRN/BLK

735

Ambient air temperature sensor signal

11

GRY

8

Interior lamp dim signal

12

GRY/BLK

308

Parklamp switch output - parklamps ON

13

YEL

136

Fuel level input

14

ORN

640

Fused battery feed

15

TAN

800

UART serial data communication

Engine Coolant Level Indicator Module


Object Number: 73223  Size: CH

Connector Part Information

    • 12162185
    • 3-Way F Metri-Pack 150.2 Series Sealed, Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

YEL/BLK

68

Low coolant indicator lamp output

C

BLK/WHT

451

PCM ground

Engine Oil Level Indicator Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Engine oil level indicator input

B

BLK/WHT

451

Ground

Instrument Cluster C1


Object Number: 73163  Size: CH

Connector Part Information

    • 12129406
    • 18-Wedge P/C BOW Pull to Seat (NAT)

Pin

Wire Color

Circuit No.

Function

A

TAN

31

Oil pressure indicator lamp output

B

TAN/WHT

33

Brake warning indicator lamp output

C

YEL

772

Transaxle range switch input B

D

WHT

776

Transaxle range switch parity input

E

DK GRN

35

Coolant temperature indicator lamp output

F

LT BLU

832

Low traction indicator output

G

YEL

804

Door ajar indicator lamp output

H

BRN/WHT

1173

Low oil level indicator lamp output

I

PNK

39

Fused ignition 1 feed

J

BLK/WHT

771

Transaxle range switch input A

K

PNK

1020

ELEC PRNDL feed

L

GRY/BLK

308

Parklamp switch output - parklamps ON

M

PNK

39

Fused ignition 1 feed

N

LT GRN

867

Antilock warning indicator lamp output

O

DK GRN

135

Engine coolant temperature output

P

ORN

55

Fuel level input

Q

--

--

Not Used

R

BRN/WHT

419

Check engine indicator lamp output

Instrument Cluster C2


Object Number: 73161  Size: CH

Connector Part Information

    • 12129405
    • 18-Wedge P/C BOW Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1808

TCS indicator signal - warning

B

--

--

Not Used

C

YEL/BLK

68

Low coolant indicator lamp output

D

BLK

1550

Ground

E

GRY

728

Security indicator lamp output

F

BRN

358

SIR indicator control

G

--

--

Not Used

H

WHT

121

Tachometer signal

I

GRY

8

Interior lamp dim signal

J

--

--

Not Used

K

BRN

25

Charge indicator lamp

L

DK GRN/WHT

529

Seat belt indicator lamp feed

M

GRY

773

Transaxle range switch input C

N

DK GRN

389

Vehicle speed signal

O

BLK

1450

Ground

P

YEL

18

Tail/turn/stoplamp feed - left rear

Q

LT GRN

11

High beam headlamp feed

R

DK GRN

19

Tail/stop/stoplamp feed - right rear

Traction Control Module Malfunction Indicator Lamp


Object Number: 40419  Size: CH

Connector Part Information

    • 12015410
    • Printed Circuit Connector Edgeboard Series Standard (GRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PNK

39

Fused ignition 1 feed

C

PPL/WHT

1572

TCS warning indicator lamp

D

BLK

1550

Ground

E

WHT

1808

TCS indicator signal - warning

F

--

--

Not Used