Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Chevrolet SSRFACTORY OEM SERVICE PROCEDURE
Automatic Transmission Shift Lock Control Connector End Views
WARNING: This page is about a different car, the 2003 Chevrolet SSR. However, it is still accessible from the selected car via links, so may be relevant.
Automatic Transmission Shift Lock Actuator Terminal Identification
| Connector Part Information |
|
||
|---|---|---|---|
| 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 Terminal Identification - Early Production
| Connector Part Information |
|
||
|---|---|---|---|
| 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) Terminal Identification - Late Production
| Connector Part Information |
|
||
|---|---|---|---|
| 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 |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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