Automatic Transmission Related Connectors

Automatic Transmission Input Shaft Speed (AT ISS) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162194 ASM 2F M/P 150.2 P2S SLD (BLK)
Pin	Wire Color	Circuit No.	Function
A	RED/BLK	1230	Transmission Input Speed Sensor Signal High
B	DK BLU/WHT	1231	Transmission Input Speed Sensor Signal Low

Automatic Transmission Output Shaft Speed (AT OSS) Sensor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12162194 ASM 2F M/P 150.2 P2S SLD (BLK)
Pin	Wire Color	Circuit No.	Function
A	PPL/WHT	821	Transmission Output Speed Sensor Signal High
B	LT GRN/BLK	822	Transmission Output Speed Sensor Signal Low

Transmission Range Switch, Wiring Harness Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15416722 BLK ASM Conn 12 F GT
Pin	Wire Color	Circuit No.	Function
1	DK GRN	1433	Clutch Start Switch Signal
2-3	-	-	Not Used
4	YEL	772	Transmission Range Switch Signal B
5	BLK/WHT	771	Transmission Range Switch Signal A
6	GRY	773	Transmission Range Switch Signal C
7	BLK/WHT	451	Ground
8	WHT	776	Transmission Range Switch Signal P
9	LT GRN	275	Park Neutral Position Switch Signal
10	GRY	1524	Back-Up Lamp Supply Voltage
11	PNK	839	Ignition 1 Voltage
12	PPL	639	Ignition 1 Voltage

Tow/Haul Switch, Column Wiring Harness Side

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12047663 Conn 2M M/P 150 (NAT)
Pin	Wire Color	Circuit No.	Function
A	LT BLU	553	Tow/Haul Switch Input
B	BLK	1851	Tow/Haul Switch Ground