Automatic Transmission External Component Connector End Views

Identifying Overdrive Switch Connector

Courtesy of GENERAL MOTORS CORP.
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

Identifying Park/Neutral Position (PNP) Switch Connector

Courtesy of GENERAL MOTORS CORP.
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	LT GN	2nd Gear Position Signal
5	-	Not Used
6	BK	Start Position Signal
7	BU	Drive Position Signal
8	LT GN/BK	Low Position Signal
9	RD	PNP Switch Feed Circuit

Identifying Shiftlock Control Module Connector

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		90980-11909 WH
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

Identifying Transmission Connector

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		90980-10854 GY
Pin	Wire Color	Function
1	RD/WH	PC Solenoid High
2	BU/WH	TCC Solenoid
3	RD/YE	Shift Solenoid 1 Control
4	PK	PC Solenoid Low
5	-	Not Used
6	BU	Shift Solenoid 2

Identifying Vehicle Speed Sensor (VSS) Connector

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		90980-11143 BK
Pin	Wire Color	Function
1	RD/WH	VSS Feed Circuit
2	BN	Ground
3	WH/GN	VSS Input Circuit