GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector
Table 2: Vehicle Speed Sensor (VSS) Connector
Table 3: Tow/Haul Switch Connector, Dash Mounted Wiring Harness Side
Table 4: Park/Neutral Position (PNP) Switch

Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector


Object Number: 900247  Size: CH

Connector Part Information

    • 15359366
    • ASM 2F Metri-Pack 150.2 P2S Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

RD/BK - Early Production

OG/BK - Late Production

1230

Transmission Input Speed Sensor Signal High

B

D-BU/WH

1231

Transmission Input Speed Sensor Signal Low

Vehicle Speed Sensor (VSS) Connector


Object Number: 900247  Size: CH

Connector Part Information

    • 15359366
    • ASM 2F Metri-Pack 150.2 P2S Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PU/WH

400

Transmission Output Speed Sensor Signal High

B

L-GN/BK

401

Transmission Output Speed Sensor Signal Low

Tow/Haul Switch Connector, Dash Mounted Wiring Harness Side


Object Number: 39660  Size: CH

Connector Part Information

    • 12047785
    • 4-Way Conn 4F Metri-Pack 150 (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

350

Ground

B

BN/WH

230

Instrument Panel Lamps Dimming Control

C

--

--

Not Used

D

L-BU

1788

Tow/Haul Switch Signal

Park/Neutral Position (PNP) Switch


Object Number: 901402  Size: CH

Connector Part Information

    • 15416722 BLK
    • ASM Conn 12 F GT

Pin

Wire Color

Circuit No.

Function

1

D-GN

1433

PNP/Clutch Start Switch Signal

2-3

--

--

Not Used

4

YE

772

Transmission Range Switch Signal B

5

BK/WH - Early Production

TN/WH - Late Production

771

Transmission Range Switch Signal A

6

GY

773

Transmission Range Switch Signal C

7

BK/WH

1250

Ground

8

WH

776

Transmission Range Switch Signal P

9

L-GN

275

P/N Position Switch Signal

10

L-GN

1324

Back-up Lamp Supply Voltage

11

PK

339

IGN 1 Voltage

12

PK

139

IGN 1 Voltage