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.
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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 49 (POWER SEATS)COMPONENT LOCATORPOWER SEAT COMPONENT VIEWS
2008 Pontiac Grand Prix Base
Power Seat Component Views
2008 Pontiac Grand Prix BaseSECTION Power Seat Component Views
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | C327 |
| 2 | Seat Adjuster Switch-Driver |
| 3 | Memory Seat Module-C4 |
| 4 | Memory Seat Module-C3 |
| 5 | Seat Bolster/Lumbar Switch-Driver |
| 6 | Seat Recline Motor-Driver |
| 7 | C325 |
| 8 | C329 |
| 9 | C330 |
| 10 | C328 |
| 11 | Seat Rear Vertical Motor-Driver |
| 12 | Seat Front Vertical Motor-Driver |
| 13 | Memory Seat Module-C2 |
| 14 | Memory Seat Module-C1 |
| 15 | Seat Horizontal Motor-Driver |
| 16 | C326 |
| Callout | Component Name |
|---|---|
| 1 | Seat Bolster Motor-Driver |
| 2 | Seat Lumbar Motor-Driver |
| 3 | Heated Seat Element-Driver Cushion |
| 4 | C333 |
| 5 | Seat Belt Switch Connector |
| 6 | Heated Seat Element-Driver Cushion Connector |
| Callout | Component Name |
|---|---|
| 1 | Seat Horizontal Motor-Front Passenger |
| 2 | Seat Front Vertical Motor-Front Passenger |
| 3 | Seat Rear Vertical Motor-Front Passenger |
| 4 | C376 |
| 5 | C377 |
| 6 | C375 |
| 7 | Seat Recline Motor-Front Passenger |
| 8 | Seat Bolster/Lumbar Switch-Front Passenger |
| 9 | Seat Adjuster Switch-Front Passenger |
| Callout | Component Name |
|---|---|
| 1 | Seat Bolster Motor-Passenger |
| 2 | Seat Lumbar Motor-Passenger |
| 3 | Heated Seat Element-Passenger Cushion Connector (w/KA7) |
| 4 | C378 |
| Callout | Component Name |
|---|---|
| 1 | Heated Seat Control Module-RR |
| 2 | 2nd Row Seat-LR |
| 3 | Heated Seat Control Module-LR |
| 4 | Heated Seat Element Connector-LR |
| 5 | C320 |
| 6 | Heated Seat Element Connector-RR |
| 7 | C380 |
| 8 | 2nd Row Seat-RR |
| Callout | Component Name |
|---|---|
| 1 | Driver Door Module (DDM) |
| 2 | Driver Inner Door Panel |
| 3 | DDM-C5 (Green) |
| 4 | Memory/Heated Seat Switch-Driver(w/KA7) |
| Callout | Component Name |
|---|---|
| 1 | Window Switch - Passenger |
| 2 | Door Lock Switch - Passenger |
| 3 | Heated Seat Switch - Passenger |
| 4 | Passenger Door |
| 5 | Speaker - RF Door |
| Callout | Component Name |
|---|---|
| 1 | RSA Controller |
| 2 | Heated Seat Switch-RR (w/KA7) |
| 3 | Accessory Power Outlet-RR |
| 4 | Accessory Power Outlet-LR |
| 5 | Heated Seat Switch-LR (w/KA7) |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.