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-C

--

--

Not Used

D

BLK

1050

Ground

E

PPL

6

Transmission Range Output to Starter

F

--

--

Not Used

G

YEL

1737

Crank Relay Output to Transmission Range Switch

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: 40397  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PNK

1439

Brake Switch Shift Interlock Power Feed

B

DK GRN/WHT

1135

Brake Switch Shift Interlock Input

C

PNK

339

Brake Switch TCC Power Feed

D

PPL

420

Brake Switch TCC Input

Vehicle Speed Sensor Connector, Wiring Harness Side


Object Number: 600435  Size: CH

Connector Part Information

    • 15336004
    • 2-Way F GT 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Vehicle Speed Sensor Ground

B

YEL

400

Vehicle Speed Sensor Signal