GM Service Manual Online
For 1990-2009 cars only
Table 1: Overdrive Switch
Table 2: Park/Neutral Position (PNP) Switch
Table 3: Shiftlock Control Module
Table 4: Transmission Connector
Table 5: Vehicle Speed Sensor (VSS)

Overdrive Switch


Object Number: 334992  Size: CH

Connector Part Information

    • 90980-10795
    • WH

Pin

Wire Color

Function

1

WH/BK

O/D Switch Illumination Ground

2

GN/BK

Overdrive Request Circuit

3

GN

O/D Switch Illumination Power

4

WH/BK

Ground

Park/Neutral Position (PNP) Switch


Object Number: 1489466  Size: CH

Connector Part Information

    • 90980-11784
    • GY

Pin

Wire Color

Function

1

--

Not Used

2

RD/BK

Reverse Position Signal

3

RD/WH

PNP Switch Feed Circuit

4

L-GN

2nd Gear Position Signal

5

--

Not Used

6

BK

Start Position Signal

7

BU

Drive Position Signal

8

L-GN/BK

Low Position Signal

9

RD

PNP Start Circuit

Shiftlock Control Module


Object Number: 334475  Size: CH

Connector Part Information

    • 90980-11909
    • WT

Pin

Wire Color

Function

1

WH/BK

Ground

2

--

Not Used

3

GN/WH

Stop Lamp Switch Input Circuit

4

--

Not Used

5

BK/WH

Shiftlock Control Module Feed Circuit

Transmission Connector


Object Number: 820120  Size: CH

Connector Part Information

    • 90980-11658
    • GY

Pin

Wire Color

Function

1

WH/BU

Transmission Fluid Temperature Input Circuit

2

BU/OG

2nd Brake Control Solenoid

3

RD/WH

PC Solenoid High

4

BU/WH

TCC Solenoid Control

5

RD/YE

Shift Solenoid 1 Control

6

BN

Transmission Fluid Temperature Ground Circuit

7

--

Not Used

8

PK

PC Solenoid Low

9

--

Not Used

10

BU

Shift Solenoid 2 Circuit

Vehicle Speed Sensor (VSS)


Object Number: 820010  Size: CH

Connector Part Information

    • 90980-11156
    • BK

Pin

Wire Color

Function

1

BK

Sensor Ground

2

WH

VSS Input