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 High

B

DK BLU/WHT

1231

Transmission Input Speed Sensor Signal Low

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 High

B

LT GRN/BLK

822

Transmission Output Speed Sensor Signal Low

Transmission Range Switch Connector, Wiring Harness Side


Object Number: 901402  Size: CH

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

PNK

639

Ignition 1 Voltage

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

1851

Tow/Haul Switch Ground