GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Transmission Shift Lock Actuator
Table 2: Park Neutral Position Switch (PNP) C2 - Early Production
Table 3: Park Neutral Position Switch (PNP) - Late Production

Automatic Transmission Shift Lock Actuator


Object Number: 40422  Size: CH

Connector Part Information

    • 12064762
    • 6-Way F Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

BK

2250

Ground

B

L-GN/BK

584

Brake Transmission Shift Interlock Switch Supply Voltage

C

YE

1996

Remote Shift Selector Signal

D

Not Used

E

D-GN/WH

1135

Brake Transmission Shift Interlock Solenoid Supply Voltage

F

PK

1020

Off/Run/Crank Voltage

Park Neutral Position Switch (PNP) C2 - Early Production


Object Number: 535900  Size: CH

Connector Part Information

    • 12129840
    • 7-Way F Metri-Pack 150, 280 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

L-GN

275

Park Neutral Position Park Signal

C

PK

339

Ignition 1 Voltage

D

BK

450

Ground

E

PK

639

Ignition 1 Voltage

F

--

--

Not Used

G

YE

1737

Neutral Safety Switch Park/Neutral Signal

Park Neutral Position Switch (PNP) - Late Production


Object Number: 901039  Size: CH

Connector Part Information

    • 15416722
    • 11-Way F GT Mixed with Latch (GY)

Pin

Wire Color

Circuit No.

Function

1

YE

1737

Neutral Safety Switch Park/Neutral Signal

3

--

--

Not Used

4

YE

722

Transmission Range Switch Signal B

5

BK/WH

771

Transmission Range Switch Signal A

6

GY

773

Transmission Range Switch Signal C

7

BK

450

Ground

8

WH

776

Transmission Range Switch Signal P

9

L-GN

275

Park Neutral Position Park Signal

10

--

--

Not Used

11

PK

339

Ignition 1 Voltage

12

PK

639

Ignition 1 Voltage