GM Service Manual Online
For 1990-2009 cars only
Table 1: Transmission Range Switch C1 Connector, Wiring Harness Side
Table 2: Transmission Range Switch C2 Connector, Wiring Harness Side
Table 3: Transmission Shift Interlock/TCC Brake Switch Connector, Wiring Harness Side
Table 4: Vehicle Speed Sensor Connector, Wiring Harness Side

Transmission Range Switch C1 Connector, Wiring Harness Side


Object Number: 68780  Size: CH

Connector Part Information

    • 12129840
    • 7-Way F Metri-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

434

Park/Neutral Input

B

ORN

840

Fused Battery Feed

C

LT GRN

275

Park Output to Rear Compartment Release

D

BLK/WHT

451

Ground

E

ORN/BLK

1786

Park/Neutral Signal

F

LT GRN

24

Backup Lamp Feed

G

PNK

439

Ignition Switched Power Feed

Transmission Range Switch C2 Connector, Wiring Harness Side


Object Number: 40412  Size: CH

Connector Part Information

    • 12191757
    • 4-Way F Metri-Pack 150 Series Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Transmission Range Switch Signal P (Parity)

B

YEL

772

Transmission Range Switch Signal B

C

GRY

773

Transmission Range Switch Signal C

D

BLK/WHT

771

Transmission Range Switch Signal A

Transmission Shift Interlock/TCC Brake Switch Connector, Wiring Harness Side


Object Number: 590565  Size: CH

Connector Part Information

    • 12033706
    • 4-Way F Metri-Pack 280 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

PNK

39F

Brake Switch Shift Interlock Power Feed

B

DK GRN/WHT

1135

Brake Switch Shift Interlock Input

C

PNK

1339

Brake Switch TCC Power Feed

D

PPL

420

Brake Switch TCC Input

Vehicle Speed Sensor Connector, Wiring Harness Side


Object Number: 68719  Size: CH

Connector Part Information

    • 12162195
    • 2-Way F Metri-Pack 150.2 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Vehicle Speed Sensor Ground

B

YEL

400

Vehicle Speed Sensor Signal