GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Information Center (DIC) Switch
Table 2: Electronic PRNDL
Table 3: Engine Oil Level Switch
Table 4: Engine Oil Pressure (EOP) Switch
Table 5: Fuel Pump and Sender Assembly
Table 6: Instrument Panel Cluster (IPC) C1
Table 7: Instrument Panel Cluster (IPC) C2
Table 8: Instrument Panel Cluster (IPC) C3

Driver Information Center (DIC) Switch


Object Number: 62467  Size: CH

Connector Part Information

    • 12064980
    • 9-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

7

DK BLU

894

DIC Toggle Switch Signal

8

--

--

Not Used

9

GRY

8

Instrument Panel Lamp Supply Voltage - 1

10

YEL

136

DIC Fuel LED Control

11

BLK

1576

Trunk Release Switch Signal

12

BLK

150

Ground

13

ORN

1816

DIC Set/Reset Switch Signal

14

LT GRN

376

Trip Odometer Reset Switch Signal

15

BLK/WHT

151

Ground

Electronic PRNDL


Object Number: 280793  Size: CH

Connector Part Information

    • 12052444
    • 8-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

771

Transmission Range Switch Signal A

2

YEL

772

Transmission Range Switch Signal B

3

GRY

773

Transmission Range Switch Signal C

4

WHT

776

Transmission Range Switch Signal P

5

GRY

8

Instrument Panel Lamp Supply Voltage - 1

6

LT GRN

147

Off/Run Voltage

7

PPL/WHT

1382

LED Dimming Signal

8

BLK

850

Ground

Engine Oil Level Switch


Object Number: 130680  Size: CH

Connector Part Information

    • 12162195
    • 2-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

BLK/WHT

451

Ground

Engine Oil Pressure (EOP) Switch


Object Number: 230788  Size: CH

Connector Part Information

    • 12065298
    • 4-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

231

Oil Pressure Switch Signal

B

BLK/WHT

451

Ground

C-D

--

--

Not Used

Fuel Pump and Sender Assembly


Object Number: 258300  Size: CH

Connector Part Information

    • 12160479
    • 4-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

30

Fuel Level Sensor Signal

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

1250

Ground

D

BLK/WHT

552

Low Reference

Instrument Panel Cluster (IPC) C1


Object Number: 130690  Size: CH

Connector Part Information

    • 12110206
    • 24-Way F Micro-Pack 100 Series (LT BLU)

Pin

Wire Color

Circuit No.

Function

A1

ORN

240

Battery Positive Voltage

A2

--

--

Not Used

A3

PNK

1039

Ignition 1 Voltage

A4

LT GRN

147

Off/Run Voltage

A5

WHT

121

Engine Speed Signal

A6

BLK/WHT

771

Transmission Range Switch Signal A

A7

YEL

772

Transmission Range Switch Signal B

A8-A9

--

--

Not Used

A10

WHT/BLK

1073

Ignition Key Resistor Signal

A11

--

--

Not Used

A12

BLK/WHT

51

Ground

B1

ORN

240

Battery Positive Voltage

B2-B3

--

--

Not Used

B4

PPL/WHT

1382

LED Dimming Signal

B5

DK GRN/WHT

817

Vehicle Speed Signal

B6

GRY

773

Transmission Range Switch Signal C

B7

WHT

776

Transmission Range Switch Signal P

B8-B9

--

--

Not Used

B10

PPL/WHT

1074

Ignition Key Resistor Low Reference

B11

--

--

Not Used

B12

BLK/WHT

51

Ground

Instrument Panel Cluster (IPC) C2


Object Number: 130690  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

LT BLU

1134

Park Brake Switch Signal

A2

LT BLU

14

Left Turn Signal Lamps Supply Voltage

A3

BRN/WHT

419

MIL Control

A4

BRN

1244

Instrument Panel Lamp Supply Voltage - 2

A5

--

--

Not Used

A6

GRY

8

Instrument Panel Lamp Supply Voltage - 1

A7-A9

--

--

Not Used

A10

LT GRN

1478

Coolant Level Switch Signal

A11

PNK

849

Brake Fluid Level Sensor Signal

A12

--

--

Not Used

B1

DK BLU

15

Right Turn Signal Lamps Supply Voltage

B2-B4

--

--

Not Used

B5

PPL

1807

Class 2 Serial Data

B6

--

--

Not Used

B7

LT GRN

80

Key In Ignition Switch Signal

B8

PPL

524

Headlamp Dimmer Switch High Beam Signal

B9

GRY

91

Windshield Wiper Motor Relay Coil Supply Voltage

B10

--

--

Not Used

B11

DK BLU

1796

Steering Wheel Controls Signal

B12

BLK/WHT

99

Windshield Washer Fluid Level Signal

Instrument Panel Cluster (IPC) C3


Object Number: 73157  Size: CH

Connector Part Information

    • 12110207
    • 32-Way F Micro-Pack 100 Series (LT BLU)

Pin

Wire Color

Circuit No.

Function

C1

WHT

852

ABS Indicator Signal

C2-C4

--

--

Not Used

C5

ORN

1816

DIC Set/Reset Switch Signal

C6

--

--

Not Used

C7

LT BLU

74

Park Lamp Switch Signal

C8

--

--

Not Used

C9

PPL

1783

Twilight Sentinel Delay Signal

C10

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

C11

YEL

136

DIC Fuel LED Control

C12

WHT

278

Ambient Light Sensor Signal

C13

GRY

8

Instrument Panel Lamp Supply Voltage - 1

C14

BRN

1244

Instrument Panel Lamp Supply Voltage - 2

C15-C16

--

--

Not Used

D1

PPL

1807

Class 2 Serial Data

D2-D3

--

--

Not Used

D4

DK BLU

894

DIC Toggle Switch Signal

D5

LT GRN

376

Trip Odometer Reset Switch Signal

D6

YEL

10

Headlamp Switch Signal

D7

ORN

192

Front Fog Lamp Switch Signal

D8

YEL/BLK

1784

Twilight Sentinel Enable Signal

D9

PPL

328

Interior Lamp Defeat Switch Signal

D10

BLK

1576

Rear Compartment Lid Release Switch Signal

D11

--

--

Not Used

D12

BLK

470

Low Reference

D13

BLK

470

Low Reference

D14

BLK

279

Ambient Light Sensor Low Reference

D15

--

--

Not Used

D16

RED

242

54 Volt Vacuum Fluorescent Display Supply