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 Pontiac Aztek Base, FWDFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Switches
SWITCHES LOCATION
| Component | Location |
|---|---|
| Automatic Level Control Inflator Air Switch | Inside vehicle, behind left rear wheelhouse. |
| Brake Fluid Level Switch | On right side of brake fluid reservoir. See Figure. |
| Cruise Control Release Switch | On brake pedal support. See Figure. |
| Door Ajar Switch-Driver | In driver's door. See Figure. |
| Endgate Lock Actuator & Ajar Switch-Left | Left side of tailgate. See Figure. |
| Endgate Lock & Ajar Switch-Right | Right side of tailgate. See Figure. |
| Engine Oil Level Switch | On bottom of engine oil pan. See Figure. |
| Engine Oil Pressure (EOP) Switch | On lower left side of engine, above starter. See Figure. |
| Inflator Air Switch | Center rear of vehicle. See Figure. |
| Key Warning Switch | On steering column. See Figure. |
| Lift Window Release Actuator & Ajar Switch-Left | Left side of tailgate. See Figure. |
| Lift Window Release Actuator & Ajar Switch-Right | Right side of tailgate. See Figure. |
| Lock Cylinder Switch-Endgate (Pontiac) | In tailgate. See Figure. |
| Park Brake Switch | On park brake assembly. |
| Rear Wiper/Washer, Liftgate Release & Rear Parking Assist (RPA) Switch Assembly | Left rear "C" pillar, near speaker. See Figure. |
| Seat Belt Switch | In right half of driver seat belt. |
| Stoplight Switch | On brake pedal support. |
| Transaxle Range Switch | On top of transaxle. |
| Windshield Washer Fluid Level Switch | On front washer solvent container. |
Factory Service Tools
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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.
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