GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Coolant Level Switch
Table 2: Driver Information Center (DIC) Switch (Eldorado)
Table 3: Driver Information Center (DIC) Switch (DeVille)
Table 4: Electronic PRNDL
Table 5: Instrument Cluster C3
Table 6: Instrument Cluster C1
Table 7: Instrument Cluster C2
Table 8: LH Front Seat Belt Switch
Table 9: Windshield Washer Solvent Level Switch

Engine Coolant Level Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 25052635
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

147

Fuse Output - OFF/RUN

B

BLK

650

Ground

Driver Information Center (DIC) Switch (Eldorado)


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

Driver Information Center switch Signal - Toggle

8

--

--

Not Used

9

GRY

8

Instrument Panel Lamp Feed

10

YEL

136

Fuel LED Output - DIC

11

BLK

1576

Trunk Release Switch Output

12

BLK

150

Ground

13

ORN

1816

Driver Information Center Switch Signal - SET/RESET

14

LT GRN

376

Digital Trip Odometer Reset Switch Signal

15

BLK

151

Ground

Driver Information Center (DIC) Switch (DeVille)


Object Number: 62467  Size: CH

Connector Part Information

    • 12065672
    • 9-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

7

DK BLU

894

Driver Information Center Switch Signal - Toggle

8

--

--

Not Used

9

GRY

8

Instrument Panel Lamp Feed

10

TAN

924

11

LT GRN

1325

Driver Information Center Signal - English/Metric

12

BLK

150

Ground

13

ORN

1816

Driver Information Center Switch Signal - SET/RESET

14

LT GRN

376

Digital 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 Position Switch Signal - Bit 1

2

YEL

772

Transmission Position Switch Signal - Bit 2

3

GRY

773

Transmission Position Switch Signal - Bit 3

4

WHT

776

Transmission Position Switch Signal - Parity Bit

5

GRY

8

Instrument Panel Lamp Feed

6

LT GRN

147

Fuse Output - OFF/RUN

7

PPL/WHT

1382

LED Dimming Signal

8

BLK

850

Ground

Instrument Cluster C3


Object Number: 73157  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

C1

WHT

852

ANTI-LOCK Indicator Input

C2

--

--

Not Used

C3

TAN

924

DIC TIMER Switch Input (Analog IPC Only - DeVille)

C4

--

--

Not Used

C5

ORN

1816

DIC INFO RESET Switch Input (Analog IPC Only)

C6

LT GRN

1325

DIC ENGLISH/METRIC Switch Input (Analog IPC Only - DeVille)

C7

LT BLU

74

Park Lamp Switch Input

C8

RED

187

Rear Fog Lamp Switch Input (Export Only)

C9

PPL

1783

Twilight Delay

C10

DK GRN

44

Dimming Input

C11

YEL

136

Fuel Door Release Switch Input

C12

WHT

278

Ambient Light Sensor Input

C13

GRY

8

Interior Dimming Output

C14

BRN

1244

Interior Dimming Output

C15

--

--

Not Used

C16

ORN/BLK

726

Reference Voltage Feed - 6 Volt

D1

PPL

1807

Class 2 Serial Data Line

D2-D3

--

--

Not Used

D4

DK BLU

894

DIC INFO Switch Input (Analog IPC Only)

D5

LT GRN

376

DIC TRIP RESET Switch Input (Analog IPC Only)

D6

YEL

10

Headlamp Switch Input

D7

ORN

192

Fog Lamp Switch Input, Front

D8

YEL/BLK

1784

Twilight Delay Enable Input

D9

PPL

328

Interior Lamps Switch Input

D10

BLK

1576

Rear Compartment Lid Release Switch Input

D11

--

--

Not Used

D12

BLK

470

Twilight Delay Return

D13

BLK

470

Dimming Return

D14

BLK

279

Ambient Light Sensor Return

D15

--

--

Not Used

D16

RED

242

Interior Dimming 54 V Power Output (Analog IPC Only)

Instrument Cluster C1


Object Number: 130690  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

ORN

240

Controlled Positive Voltage

A2

--

--

Not Used

A3

PNK

1039

Ignition Positive Voltage

A4

LT GRN

147

Ignition Positive Voltage

A5

WHT

121

Tachometer Input

A6

BLK/WHT

771

PRNDL A (Analog IPC Only)

A7

YEL

772

PRNDL B (Analog IPC Only)

A8

--

--

Not Used

A9

RED

225

Alternator L - Terminal Input

A10

WHT/BLK

1073

Key Resistor Input

A11

--

--

Not Used

A12

BLK/WHT

51

Ground

B1

ORN

240

Controlled Positive Voltage

B2-B3

--

--

Not Used

B4

PPL/WHT

1382

PRNDL LED Dimming (Analog IPC Only)

B5

DK GRN/WHT

817

Vehicle Speed Input

B6

GRY

773

PRNDL C (Analog IPC Only)

B7

WHT

776

PRNDL D (Analog IPC Only)

B8-B9

--

--

Not Used

B10

PPL/WHT

1074

Key Resistor Return

B11

--

--

Not Used

B12

BLK/WHT

51

Ground

Instrument Cluster C2


Object Number: 130690  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

LT BLU

1134

Park Brake Switch Input

A2

LT BLU

14

Left Turn Input

A3

BRN/WHT

419

SERVICE ENGINE SOON Indicator Input

A4

BRN

1244

Dimming

A5

--

--

Not Used

A6

GRY

8

Dimming

A7

--

--

Not Used

A8

YEL/BLK

625

Starter Enable Relay Output

A9

--

--

Not Used

A10

LT GRN

1478

Coolant Level Switch Input

A11

PNK

849

Brake Fluid Level Switch Input

A12

--

--

Not Used

B1

DK BLU

15

Right Turn Input

B2-B4

--

--

Not Used

B5

PPL

1807

Class 2 Serial Data Line

B6

--

--

Not Used

B7

LT GRN

80

Key-In-Ignition Switch Input

B8

PPL

524

Headlamp Dimmer Switch Input

B9

GRY

91

Windshield Wiper Relay Input

B10

--

--

Not Used

B11

DK BLU

1796

Steering Wheel Controls Input

B12

BLK/WHT

99

Windshield Washer Fluid Switch Input

LH Front Seat Belt Switch


Object Number: 35441  Size: CH

Connector Part Information

    • 12059250
    • 2 Way M Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

238

Seat Belt Switch Signal

B

BLK

850

Ground

Windshield Washer Solvent Level Switch


Object Number: 232831  Size: CH

Connector Part Information

    • 12162192
    • 2-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

51

Ground

B

BLK/WHT

99

Windshield Washer Fluid level Sensor Signal