GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector
Table 2: Automatic Transmission Output Shaft Speed (AT OSS) Sensor Connector
Table 3: Transmission Range Switch Connector, Wiring Harness Side
Table 4: Tow/Haul Switch Connector, Column Wiring Harness Side

Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector


Object Number: 237066  Size: CH

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 Low

B

DK BLU/WHT

1231

Transmission Input Speed Sensor Signal High

Automatic Transmission Output Shaft Speed (AT OSS) Sensor Connector


Object Number: 237066  Size: CH

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 Low

B

LT GRN/BLK

822

Transmission Output Speed Sensor Signal High

Transmission Range Switch Connector, Wiring Harness Side


Object Number: 535904  Size: CH

Connector Part Information

    • 12191757
    • Asm Conn 4F M/P 150 (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

TR Switch Signal A

B

GRY

773

TR Switch Signal C

C

WHT

776

TR Switch Signal P

D

YEL

772

TR Switch Signal B

Tow/Haul Switch Connector, Column Wiring Harness Side


Object Number: 35441  Size: CH

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

1850

Tow/Haul Switch Ground