GM Service Manual Online
For 1990-2009 cars only
Table 1: Park/Neutral Position Switch C1
Table 2: Park/Neutral Position Switch C2
Table 3: Automatic Transmission Output (Shaft) Speed Sensor (AT OSS) Connector, Wiring Harness Side
Table 4: Cruise Control Brake Switch Connector, Wiring Harness Side

Park/Neutral Position Switch C1


Object Number: 535904  Size: CH

Connector Part Information

    • 12191757
    • Conn 4F M/P 150 SLD (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Transmission Range Switch Signal P

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

Park/Neutral Position Switch C2


Object Number: 535900  Size: CH

Connector Part Information

    • 12129840
    • Conn 7F M/P 150, 280 (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

1737

Transmission Mounted Neutral Safety Switch Output-Park/Neutral

B

PNK

539

Fuse Output, Ignition 1

C

LT GRN

275

Transmission Mounted Neutral Safety Switch Output-Park

D

BLK/WHT

451

Powertrain Control Module Ground

E

PPL

6

Starter Solenoid Feed

F

LT GRN

24

Backup Lamp Feed

G

YEL

5

Ignition Switch Output-Crank

Automatic Transmission Output (Shaft) Speed Sensor (AT OSS) Connector, Wiring Harness Side


Object Number: 68719  Size: CH

Connector Part Information

    • 12162195
    • Conn 2F M/P 150.2 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

AT OSS Ground

B

YEL

400

AT OSS Signal

Cruise Control Brake Switch Connector, Wiring Harness Side


Object Number: 590564  Size: CH

Connector Part Information

    • 12041433
    • Conn 2F M/P 280 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

341

Brake Switch Power Feed

B

PPL

420

Brake Switch Input