GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Oil Pressure Switch (L67)
Table 2: Engine Oil Pressure Switch (L47)
Table 3: Seat Belt Switch
Table 4: Trip Odometer Reset Switch (Buick)
Table 5: Instrument Cluster C1 (Buick)
Table 6: Instrument Cluster C1 (Oldsmobile)
Table 7: Instrument Cluster C2 (Buick)
Table 8: Instrument Cluster C2 (Oldsmobile)
Table 9: Remote Indicator Bank (Oldsmobile)

Engine Oil Pressure Switch (L67)


Object Number: 258230  Size: CH

Connector Part Information

    • 12048076
    • 4-Way F Metri-Pak
    • 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

231

Oil Pressure Switch Signal

B

BLK/WHT

651

Fuel Gauge Sensor Ground

C

--

--

Blocked

D

--

--

Blocked

Engine Oil Pressure Switch (L47)


Object Number: 258230  Size: CH

Connector Part Information

    • 12048076
    • 4-Way F Metri-Pak
    • 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

231

Oil Pressure Switch Signal

B

BLK/WHT

651

Fuel Gauge Sensor Ground

C

--

--

Not Used

D

--

--

Not Used

Seat Belt Switch


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way M Metri-Pak
    • 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

BLK/WHT

238

Seat Belt Switch Signal

Trip Odometer Reset Switch (Buick)


Object Number: 62463  Size: CH

Connector Part Information

    • 12064766
    • 8-Way F Metri-Pak
    • 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

GRY

8

Instrument Panel Lamp Feed

B

BLK

150

Ground

C-D

--

--

Not Used

E

BLK/WHT

351

Ground - Clean

F

--

--

Not Used

G

LT GRN

376

Digital Trip Odometer Reset Switch Signal

H

BRN/WHT

157

Traction Control System Switch Signal

Instrument Cluster C1 (Buick)


Object Number: 73221  Size: CH

Connector Part Information

    • 12089591
    • 32 Way F Micro-Pack 100 Series (GRN)

Pin

Wire Color

Circuit No.

Function

E1

YEL/BLK

68

Low Coolant Indicator Lamp Output

E2

--

--

Not Used

E3

BRN

358

Airbag Indicator Lamp Output

E4

PPL

30

Fuel Gauge Sensor Signal

E5

BRN

27

Hazard Flasher Output

E6

DK GRN/WHT

817

Vehicle Speed Signal - 4000 pulses per mile

E7

BLK/WHT

351

Ground

E8

--

--

Not Used

E9

LT GRN

376

Trip Odometer Reset Switch Signal

E10

--

--

Not Used

E11

TAN

800

Serial Data Signal - UART

E12

BLK

150

Ground

E13

--

--

Not Used

E14

ORN

40

Fused Output - Bat

E15

PNK

39

Fused Output - Ign 1

E16

TAN/WHT

33

Brake Warning Indicator Lamp Output

F1

--

--

Not Used

F2

GRY/BLK

745

Door Ajar Switch Signal -- LH Front

F3

YEL

234

Fasten Belts Indicator Lamp Output

F4

GRY

8

Instrument Panel Lamp Feed

F5

YEL

390

Instrument Panel Lamp Feed -- Tertiary

F6

WHT

121

Tachometer Signal

F7

--

--

Not Used

F8

PPL

806

Fused Output -- CRANK

F9

PNK

1020

Fused Output -- OFF/RUN/CRANK

F10

--

--

Not Used

F11

TAN/BLK

800

Serial Data Signal - UART

F12

BLK

150

Ground

F13

--

--

Not Used

F14

ORN

40

Fused Output - Bat

F15

PNK

39

Fused Output - Ign 1

F16

BLK/WHT

651

Fuel Gauge Sensor Ground

Instrument Cluster C1 (Oldsmobile)


Object Number: 73157  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

C1

--

--

Not Used

C2

PPL

30

Fuel Gauge Sensor Signal

C3

TAN/BLK

231

Oil Pressure Switch Signal

C4-C6

--

--

Not Used

C7

BRN

1244

Instrument Panel Lamp Feed #2

C8

ORN/BLK

1061

Serial Data Signal - UART (8192 baud)

C9

TAN

800

Serial Data Signal - UART (8192 baud)

C10-C11

--

--

Not Used

C12

BLK

150

Ground

C13

BLK/WHT

552

Sensor Return

C14-D1

--

--

Not Used

D2

LT GRN

1845

Auxiliary Chime Control Signal

D3-D7

--

--

Not Used

D8

ORN/BLK

1061

Serial Data Signal - UART (8192 baud)

D9

TAN/BLK

800

Serial Data Signal - UART (8192 baud)

D10

--

--

Not Used

D11

YEL

390

Instrument Panel Lamp Feed -- Tertiary

D12

BLK

150

Ground

D13-D14

--

--

Not Used

Instrument Cluster C2 (Buick)


Object Number: 73152  Size: CH

Connector Part Information

    • 12092632
    • 16 Way F Micro-Pack 100 Series (RED)

Pin

Wire Color

Circuit No.

Function

A1

WHT

852

ABS Signal - ABS Failure

A2

TAN/BLK

231

Oil Pressure Switch Signal

A3

BRN/WHT

419

Check Engine Indicator Lamp Output

A4

LT BLU

14

Turn Signal Lamp Feed - Left Front

A5

WHT

629

High Beam Indicator Lamp Feed - Daytime Running Lamps

A6

DK BLU

15

Turn Signal Lamp Feed - Right Front

A7

BLK/WHT

99

Windshield Washer Fluid Level Sensor Signal

A8

BRN/WHT

1173

Low Oil Level Indicator Lamp Output

B1

PPL/WHT

1572

Traction Control System Indicator Lamp Output - Failure

B2

--

--

Not Used

B3

DK GRN

264

Security Indicator Lamp Feed

B4-8

--

--

Not Used

Instrument Cluster C2 (Oldsmobile)


Object Number: 130690  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

DK GRN/WHT

817

Vehicle Speed Signal - 4000 pulses per mile

A2-A3

--

--

Not Used

A4

LT BLU/BLK

747

Door Ajar Switch Signal - LH Rear

A5

--

--

Not Used

A6

LT BLU

14

Turn Signal Lamp Feed - LH Front

A7-A8

--

--

Not Used

A9

TAN/WHT

33

Park Brake Warning Indicator Lamp Output

A10

BRN

41

Fuse Output - Ignition 3

A11

WHT

85

Cruise Indicator Lamp Output

A12

YEL

234

Fasten Belts Indicator Lamp Output

B1

PNK

439

Fuse Output - Ignition 1

B2

PPL

209

Brake Fluid Level Indicator Lamp Output

B3

BLK

99

Windshield Washer Fluid Level Sensor Signal

B4

BLK/WHT

746

Door Ajar Switch Signal - RH Front

B5

LT GRN/BLK

748

Door Ajar Switch Signal - RH Rear

B6

DK BLU

15

Turn Signal Lamp Feed - RH Front

B7

LT GRN

11

High Beam Headlamp Feed

B8

--

--

Not Used

B9

GRY/BLK

745

Door Ajar Switch Signal -- LH Front

B10

BLK/WHT

851

Ground

B11

PNK

39

Fuse Output -- Ignition 1

B12

WHT

121

Tachometer Signal

Remote Indicator Bank (Oldsmobile)


Object Number: 73144  Size: CH

Connector Part Information

    • 12047946
    • 24-way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

PNK

39

Fuse Output - Ignition 1

A2

PPL

209

Brake Fluid Level Indicator Lamp Output

A3

WHT

852

ABS Signal - ABS Failure

A4

LT GRN

1656

Traction Active Indicator Lamp Output

A5

BRN

27

Hazard Flasher Output

A6

PPL/WHT

1572

Traction OFF Indicator Lamp Output - Failure

A7

--

--

Not Used

A8

DK GRN

264

Security Indicator Lamp Feed

A9

BRN

358

Airbag Indicator Lamp Output

A10

WHT

85

Cruise Indicator Lamp Output

A11-A12

--

--

Not Used

B1

BRN/WHT

419

Service Engine Soon Indicator Lamp Output

B2-B3

--

--

Not Used

B4

ORN

40

Fuse Output - Battery

B5-B12

--

--

Not Used