GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Oil Pressure (EOP) Switch - 4.2L
Table 2: Instrument Panel Cluster (IPC)
Table 3: Steering Wheel Control Switch Assembly - Lower Left (STW)
Table 4: Steering Wheel Control Switch Assembly - Lower Right (STW)

Engine Oil Pressure (EOP) Switch - 4.2L


Object Number: 516616  Size: CH

Connector Part Information

    â€¢ 12065400
    â€¢ 4-Way F Metri-Pack 150 Series, Sealed (GN)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

231

Oil Pressure Switch Signal

B

PU

114

Low Oil Pressure Switch Signal

C-D

--

--

Not Used

Instrument Panel Cluster (IPC)


Object Number: 73156  Size: CH

Connector Part Information

    â€¢ 12110088
    â€¢ 24-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

A1

L-BU

2114

Left Turn Signal Lamps Supply Voltage

A2

OG

2340

Battery Positive Voltage

A3

--

--

Not Used

A4

BK/WH

751

Ground

A5

BK

2250

Ground

A6

--

--

Not Used

A7

BN/WH

230

Instrument Panel Lamps Dimming Control

A8

YE

1327

DIC Fuel Signal (w/STW)

A9

D-GN/WH

1358

DIC Switch Signal (w/STW)

A10

D-BU

894

DIC Toggle Switch Signal (w/STW)

A11

OG

1816

DIC Set/Reset Switch Signal (w/STW)

A12

WH

121

Engine Speed Signal

B1

GY

1036

IPC Class 2 Serial Data

B2-B3

--

--

Not Used

B4

BN/WH

419

MIL Control

B5-B6

--

--

Not Used

B7

PK

639

Ignition 1 Voltage

B8

--

--

Not Used

B9

D-GN/WH

817

Vehicle Speed Signal

B10

D-BU

2115

Right Turn Signal Lamps Supply Voltage

B11

--

--

Not Used

B12

BK/WH

174

Low Washer Fluid Indicator Signal (U68)

Steering Wheel Control Switch Assembly - Lower Left (STW)


Object Number: 605502  Size: CH

Connector Part Information

    â€¢ 50-57-9404
    â€¢ 4-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

BN

230

Instrument Panel Lamps Dimming Control

2

YE

1327

DIC Fuel Signal

3

D-BU

894

DIC Toggle Switch Signal

4

BK

2250

Ground

Steering Wheel Control Switch Assembly - Lower Right (STW)


Object Number: 605511  Size: CH

Connector Part Information

    â€¢ 50-57-9405
    â€¢ 5-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

230

Instrument Panel Lamps Dimming Control

2

D-GN

1358

DIC Switch Signal

3

OG

1816

DIC Set/Reset Switch Signal

4

BK

2250

Ground

5

--

--

Not Used