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 Impala LSFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Miscellaneous
MISCELLANEOUS LOCATION
| Component | Location |
|---|---|
| A/C Compressor Clutch Diode | In wiring harness, 10 cm from A/C compressor clutch. |
| Audio Amplifier | In luggage compartment, beneath center of rear package shelf. See Figure. |
| Battery | Right front of engine compartment. See Figure. |
| Battery Feed | Rear compartment, above right wheelwell. See Figure. |
| Blower Motor Resistor Assembly | On HVAC module, below blower motor. |
| Cellular Antenna | On rear window. See Figure. |
| Cellular Antenna Coax Connector | Above left side of package shelf. See Figure. |
| Data Link Connector (DLC) | Below left side of dash, right of steering column. |
| Digital Radio Antenna | Rear center of roof. See Figure. |
| Digital Radio Receiver | In rear compartment, mounted to rear of right rear wheelwell. |
| Generator Connector (3.8L VIN 1) | Upper rear of engine. See Figure. |
| Generator (3.4L VIN E) | Right front of engine. See Figure. |
| Generator (3.8L VIN K) | Upper right front of engine. See Figure. |
| Generator (3.8L VIN 1) | Top right front of engine. See Figure. |
| Heated Seat Cushion Element Connector | In seat cushion. See Figure. |
| Horn Assembly | Lower right front of vehicle. See Figure. |
| Horn Assembly Connector | Right front of engine compartment, behind front bumper. See Figure. |
| Ignition Coils | On right side of engine. See Figure. |
| Inflatable Restraint Steering Wheel Module Coil | In steering column, behind steering wheel. See Figure. |
| Inflatable Restraint Steering Wheel Module Coil Connector | Lower center of instrument panel. |
| Navigation Antenna | In passenger compartment, under left center of package shelf trim. See Figure. |
| Negative Battery Cable | Right front of engine compartment. See Figure. |
| Positive Battery Cable | Right front of engine compartment. See Figure. |
| Positive Battery Feed | At back of starter. See Figure. |
| Positive Terminal Of Generator (3.8L VIN 1) | At rear of generator. See Figure. |
| Starter Solenoid Lead | Lower left front of engine (3.8L VIN K & VIN 1). See Figure. |
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.