GM Service Manual Online
For 1990-2009 cars only
Table 1: Instrument Cluster C1 (Chevrolet)
Table 2: Instrument Cluster C1 (Pontiac)
Table 3: Instrument Cluster C2

Instrument Cluster C1 (Chevrolet)


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

TAN

800

Serial Data Signal, (UART), 8192 Baud Primary

A3

ORN

1440

Fuse Output (Battery)

A4

PNK

1020

Fuse Output (Off Run Crank)

A5

BRN/WHT

419

CHECK ENGINE Indicator Lamp Output

A6

LT BLU

14

Turn Signal Lamp Feed, Left Front

A7

DK BLU

15

Turn Signal Lamp Feed, Right Front

A8

--

--

Not Used

A9

GRY

8

IP Lamp Feed

A10

LT GRN/BLK

592

Daytime Running Lamp Relay Output (Coil)

A11-A12

--

--

Not Used

B1

BLK/WHT

451

PCM Ground

B2

--

--

Not Used

B3

DK GRN/WHT

817

Wheel Speed Signal (4000 Pulses/Mile)

B4

PNK

1200

Headlamp Output (High Beam)

B5

--

--

Not Used

B6

BLK

1350

Ground

B7

PPL

30

Fuel Gauge Sensor Signal

B8

DK BLU

1201

Headlamp Output (Low Beam)

B9

BLK

150

Ground

B10

--

--

Not Used

B11

LT GRN

66

Air Conditioning Switch Output

B12

LT BLU

1134

Park Brake Switch Signal

Instrument Cluster C1 (Pontiac)


Object Number: 295480  Size: CH

Connector Part Information

    • 12065804
    • 22-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1440

Fuse Output (Battery)

A2

TAN

800

Serial Data Signal (UART), 8192 Baud, Primary

A3

PNK

1020

Fuse Output (Off Run Crank)

A4

LT BLU

14

Turn Signal lamp Feed, Left Front

A5

BLK

150

Ground

A6

  

Not Used

A7

LT GRN/BLK

592

Daytime Running Lamp Relay Output (Coil)

A8

BRN/WHT

419

CHECK ENGINE Indicator Lamp Output

A9

GRY

8

IP Lamp Feed

A10-A11

--

--

Not Used

B1

--

--

Not Used

B2

DK GRN/WHT

817

Vehicle Speed Signal (4000 Pulses/Mile)

B3

PNK

1200

Headlamp Input (High Beam)

B4

BLK

1350

Ground

B5

PPL

30

Fuel Gauge Sensor Signal

B6

--

--

Not Used

B7

DK BLU

1201

Headlamp Input (Low Beam)

B8

DK BLU

15

Turn Signal Lamp Feed, Right Front

B9

BLK/WHT

451

Ground

B10

LT GRN/BLK

66

Air Conditioning Switch Output

B11

LT BLU

1134

Park Brake Switch Signal

Instrument Cluster C2


Object Number: 295482  Size: CH

Connector Part Information

    • 12047661
    • 3-Way P/C Edgbd Std (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1459

Magnetic Rotation Detection Ignition Key Cylinder Sensor Feed (12 Volt Reference)

B

BLK

1835

Magnetic Rotation Detection Sensor Return

C

YEL

1836

Magnetic Rotation Detection Sensor Signal