GM Service Manual Online
For 1990-2009 cars only
Table 1: Auxiliary Gages
Table 2: Engine Oil Pressure (EOP) Sensor
Table 3: Instrument Panel Cluster (IPC)
Table 4: Trip Computer Switch

Auxiliary Gages


Object Number: 1549388  Size: CH

Connector Part Information

    • 7123-9265-30
    • 2-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

--

--

Not Used

Engine Oil Pressure (EOP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 7223-9730-30
    • 3-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

A

GN

470

Low Reference

B

BU/YE

596

5-Volt Reference

C

BN/WH

331

Engine Oil Pressure Sensor Signal

Instrument Panel Cluster (IPC)


Object Number: 1356178  Size: CH

Connector Part Information

    • 9123-8265-30
    • 32-Way Female (GY)

Pin

Wire Color

Circuit No.

Function

1

OG/YE

1340

Battery Positive Voltage

2

BN/WH

32

Instrument Panel Lamps Fuse Supply Voltage

3

--

--

Not Used

4

BN/WH

419

MIL Control

5

L-GN/BK

592

DRL Relay Control

6

GN/WH

1061

UART Serial Data (Secondary)

7-8

--

--

Not Used

9

OG

192

Fog Lamps Switch Signal

10

--

--

Not Used

11

BU

1315

Right Front Turn Signal Lamp Supply Voltage

12

BU/YE

1969

Headlamp/High Beam Relay Control

13

L-BU

1314

Left Front Turn Signal Lamp Supply Voltage

14

L-BU

264

Security Indicator Lamp Supply Voltage

15

OG

238

Seat Belt Switch - Left

16

--

--

Not Used

17

BK/YE

251

Ground

18

BN

897

DIC Switch Low Reference

19

--

--

Not Used

20

PK/BU

539

Battery Positive Voltage

21-25

--

--

Not Used

26

PU/WH

5197

Cruise Control I/P Speed Signal

27

BN/RD

121

Engine Speed Signal

28

BU/BK

894

DIC Toggle Switch Signal

29

--

--

Not Used

30

BN/OG

33

Brake Warning Indicator Control

31

BN/WH

4

Accessory Voltage

32

GY/WH

746

Right Front Door Ajar Switch Signal

Trip Computer Switch


Object Number: 1356216  Size: CH

Connector Part Information

    • 7283-7387-30
    • 8-Way Female (BK)

Pin

Wire Color

Circuit No.

Function

1

BU/BK

894

DIC Toggle Switch Signal

2

--

--

Not Used

3

BN/WH

32

Instrument Panel Lamps Fuse Supply Voltage

4

--

--

Not Used

5

BN

897

DIC Switch Low Reference

6

--

--

Not Used

7

GY

230

Instrument Panel Lamps Dimming Control

8

--

--

Not Used