GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Oil Level Switch
Table 2: Engine Oil Pressure (EOP) Sensor
Table 3: Fuel Pump and Sender Assembly
Table 4: Instrument Panel Cluster (IPC)
Table 5: Steering Wheel Controls Backlight Fuse
Table 6: Steering Wheel Controls-Left Lower (Fuel/Trip)
Table 7: Steering Wheel Controls-Right Lower (Personalization/Select)
Table 8: Steering Wheel Controls-Upper Left (Radio-Program/Source)
Table 9: Steering Wheel Controls-Upper Right (Radio-Seek/Volume)

Engine Oil Level Switch


Object Number: 635009  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BN

1174

Oil Level Switch Signal

B

BK/WH

451

Ground

Engine Oil Pressure (EOP) Sensor


Object Number: 726824  Size: CH

Connector Part Information

    • 15344137
    • 3-Way F GT 150 Sealed 5.2 (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

2755

Oil Pressure Sensor Low Reference

2

GY

2705

Oil Pressure Sensor 5-Volt Reference

3

TN/WH

332

Oil Pressure Sensor Signal

Fuel Pump and Sender Assembly


Object Number: 684908  Size: CH

Connector Part Information

    • 15326631
    • 4-Way F GT 280 Sealed 5.8 (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

2150

Ground

B

PU

1589

Fuel Level Sensor Signal

C

BK

470

Low Reference

D

GY

120

Fuel Pump Supply Voltage

Instrument Panel Cluster (IPC)


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

BN/WH

419

MIL Control

A2

--

--

Wait to Start

A3

BK/WH

174

Low Washer Fluid Indicator Signal

A4

D-GN/WH

817

Vehicle Speed Signal

A5

WH

121

Engine Speed Signal

A6

GY

1036

IPC Class 2 Serial Data

A7

--

--

IPC Class 2 Serial Data

A8

D-BU

2115

Right Turn Signal Lamps Supply Voltage

A9

--

--

SBA Signal

A10

--

--

Park Switch Input

A11

RD

2353

Instrument Panel Lamps Dimming Supply Voltage

A12

BK

1050

Ground

B1

L-BU

2114

Left Turn Signal Lamps Supply Voltage

B2-B3

--

--

Not Used

B4

OG

1816

DIC Select Switch Signal

B5

D-BU

894

DIC Trip Info Switch Signal

B6

D-GN/WH

1358

DIC Personalization Switch Signal

B7

YE

1327

DIC Fuel Info Switch Signal

B8

--

--

Not Used

B9

PK

639

Ignition 1 Voltage

B10

--

--

Not Used

B11

OG

2840

Battery Positive Voltage

B12

BK/WH

1851

Ground

Steering Wheel Controls Backlight Fuse


Object Number: 350882  Size: CH

Connector Part Information

    • 12010105
    • 2-Way F Fuse Holder (BK)

Pin

Wire Color

Circuit No.

Function

A

BN/WH

230

Steering Wheel Controls Lamps Dimming Control

B

BN/WH

230

Steering Wheel Controls Lamps Dimming Control

Steering Wheel Controls-Left Lower (Fuel/Trip)


Object Number: 605502  Size: CH

Connector Part Information

    • 50579404
    • 4-Way F Molex (BLK)

Pin

Wire Color

Circuit No.

Function

1

BN

230

Steering Wheel Switch Dimming Control

2

YE

1327

DIC Fuel Signal

3

D-BU

894

DIC Toggle Switch Signal

4

BLK

1851

Ground

Steering Wheel Controls-Right Lower (Personalization/Select)


Object Number: 605511  Size: CH

Connector Part Information

    • 50579405
    • 5-Way F Molex (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

230

Steering Wheel Switch Dimming Control

2

D-GN

1358

DIC Switch Signal

3

OG

1816

DIC Set/Reset Switch Signal

4

BLK

1851

Ground

5

--

--

Not Used

Steering Wheel Controls-Upper Left (Radio-Program/Source)


Object Number: 605511  Size: CH

Connector Part Information

    • 50579405
    • 5-Way F Molex (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN

1011

Remote Radio Control Signal

2

BN

230

Steering Wheel Switch Dimming Control

3

BK

1851

Ground

4

--

--

Not Used

5

L-GN

1011

Remote Radio Control Signal

Steering Wheel Controls-Upper Right (Radio-Seek/Volume)


Object Number: 605507  Size: CH

Connector Part Information

    • 50579406
    • 6-Way F Molex (BLK)

Pin

Wire Color

Circuit No.

Function

1

WH

2283

12 Volt Reference

2

L-GN

1011

Remote Radio Control Signal

3

BN

230

Steering Wheel Switch Dimming Control

4

--

--

Not Used

5

BK

1851

Ground

6

L-GN

1011

Remote Radio Control Signal