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 352 (HORN SYSTEM)COMPONENT LOCATORHORN COMPONENT VIEWS
2008 Pontiac Grand Prix Base
Horn Component Views
2008 Pontiac Grand Prix BaseSECTION Horn Component Views
WARNING: This page is about a different car, the 2008 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Horn Switch |
| 2 | Cruise Control Switch |
| 3 | Inflatable Restraint Steering Wheel Module Coil |
| 4 | Inflatable Restraint Steering Wheel Module Coil Connector |
| Callout | Component Name |
|---|---|
| 1 | Spark Plug 4 |
| 2 | Ignition Coil 1 |
| 3 | Ignition Coil 2 |
| 4 | Brake Pressure Modulator Valve (BPMV) |
| 5 | Data Link Connector (Underhood) |
| 6 | Ambient Light Sensor |
| 7 | Intake Temperature (IAT) Sensor |
| 8 | Fuse and Relay Block 1 |
| 9 | Fuse and Relay Block 2 |
| 10 | Battery |
| 11 | Throttle Position (TP) Sensor (In Back) |
| 12 | Throttle Linkage |
| 13 | Horn |
| 14 | Camshaft Position (CMP) Sensor Right Rear of Cylinder Head |
| 15 | Ambient Air Temperature Sensor (Tachometer Only) |
| 16 | Auxiliary Radiator Fan Motor (Attached to Rear of Radiator) (With A/C Only) |
| 17 | Knock Sensor |
| 18 | A/C Compressor Clutch (Below Generator) |
| 19 | Refrigerant Pressure Switch (With A/C Only) |
| 20 | Fuse and Relay Block 3 |
| 21 | Generator |
| 22 | A/C Accumulator (With A/C Only) |
| 23 | Windshield Washer Pump |
| 24 | Windshield Wiper Motor |
| 25 | Cruise Control Servo |
| 26 | Spark Plug 1 |
| 27 | Spark Plug 2 |
| 28 | Spark Plug 3 |
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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.