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: Park/Neutral Position Switch (C1)
Table 5: Park/Neutral Position Switch (C2)

Automatic Transmission Input Shaft Speed (AT ISS) Sensor Connector


Object Number: 666646  Size: CH

Connector Part Information

    • 15336024
    • ASM 2F GT 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

1

RED/BLK

1230

Transmission Input Speed Sensor Signal Low

2

DK BLU/WHT

1231

Transmission Input Speed Sensor Signal High

Automatic Transmission Output Shaft Speed (AT OSS) Sensor Connector


Object Number: 666646  Size: CH

Connector Part Information

    • 15336024
    • ASM 2F GT 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

1

PPL/WHT

822

Transmission Output Speed Sensor Signal Low

2

LT GRN/BLK

821

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

Park/Neutral Position Switch (C1)


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

150

Ground

E

PPL

806

Crank Voltage

F

LT GRN

24

Back-up Lamp Supply Voltage

G

YEL

1737

Neutral Safety Switch Park/Neutral Signal

Park/Neutral Position Switch (C2)


Object Number: 535904  Size: CH

Connector Part Information

    • 12191757
    • 4-Way Female M/P 150 (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

Transmission Position Switch Signal A

B

GRY

773

Transmission Position Switch Signal C

C

WHT

776

Transmission Position Switch Signal P

D

YEL

772

Transmission Position Switch Signal B