GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Oil Level Switch
Table 2: Engine Oil Pressure (EOP) Sensor
Table 3: Instrument Panel Cluster (IPC)

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

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

--

--

Not Used

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

--

--

Not Used

A8

D-BU

2115

Right Turn Signal Lamps Supply Voltage

A9-A10

--

--

Not Used

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 Set/Reset Switch Signal

B5

D-BU

894

DIC Toggle Switch Signal

B6

D-GN/WH

1358

DIC Switch Signal

B7

YE

1327

DIC Fuel Signal

B8

--

--

Not Used

B9

PK

639

Ignition 1 Voltage

B10

--

--

Not Used

B11

OG

2840

Battery Positive Voltage

B12

BK/WH

1851

Ground