GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector - Early Production
Table 2: Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector - Late Production
Table 3: Vehicle Speed Sensor (VSS) Connector - Early Production
Table 4: Vehicle Speed Sensor (VSS) Connector - Late Production
Table 5: Park/Neutral Position (PNP) Switch - C1 Connector, Wiring Harness Side
Table 6: Tow/Haul Switch Connector, Column Wiring Harness Side
Table 7: Park/Neutral Position (PNP) Switch (C2)

Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector - Early Production


Object Number: 666646  Size: CH

Connector Part Information

    • 15336024
    • ASM 2F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

1

ORN/BLK

1230

Transmission Input Speed Sensor Signal High

2

DK BLU/WHT

1231

Transmission Input Speed Sensor Signal Low

Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector - Late Production


Object Number: 900247  Size: CH

Connector Part Information

    • 15359366
    • ASM 2F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

1230

Transmission Input Speed Sensor Signal High

B

DK BLU/WHT

1231

Transmission Input Speed Sensor Signal Low

Vehicle Speed Sensor (VSS) Connector - Early Production


Object Number: 666646  Size: CH

Connector Part Information

    • 15336024
    • ASM 2F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

1

YEL

400

Transmission Output Speed Sensor Signal High

2

PPL

401

Transmission Output Speed Sensor Signal Low

Vehicle Speed Sensor (VSS) Connector - Late Production


Object Number: 900247  Size: CH

Connector Part Information

    • 15359366
    • ASM 2F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

400

Transmission Output Speed Sensor Signal High

B

PPL

401

Transmission Output Speed Sensor Signal Low

Park/Neutral Position (PNP) Switch - C1 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

TAN/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: 39660  Size: CH

Connector Part Information

    • 12047785
    • 4-Way Conn 4F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground

B

BRN/WHT

230

Instrument Panel Lamps Dimming Control

C

--

--

Not Used

D

LT-BLU

1788

Tow/Haul Switch Signal

Park/Neutral Position (PNP) Switch (C2)


Object Number: 535900  Size: CH

Connector Part Information

    • 12129840
    • 7-Way Female M/P Mixed (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

LT GRN

275

Neutral Safety Switch Park Signal

C

PNK

139

Ignition 1 Voltage

D

BLK

451

Ground

E

PPL

806

Crank Voltage

F

LT GRN

24

Back-up Lamp Supply Voltage

G

YEL

1737

Neutral Safety Switch Park/Neutral Signal