2004 Pontiac Sunfire AutomaticFACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Miscellaneous

MISCELLANEOUS LOCATION

Component Location
A/C Compressor Diode In engine harness, approximately 21 cm from compressor.
Audio Amplifier (U85) In luggage compartment, on left rear wheelwell. See Figure .
BCM Connectors At body control module (BCM). See Figure .
Blower Motor Resistor Under right side of dash, on blower motor assembly. See Figure .
Cooling Fan Connector At cooling fan. See Figure .
Data Link Connector (DLC) Below left side of dash. See Figure .
Daytime Running Lamps Resistor Below right headlamp assembly.
Digital Radio Receiver (Front) At front center of roof. See Figure .
Digital Radio Receiver (Rear) Below rear package shelf trim. See Figure .
Generator At left front of engine. See Figure .
Horn On right side of front impact bar. See Figure .
ICM Interconnect Under ignition control module (ICM). See Figure .
Inflatable Restraint Steering Wheel Module Coil Under steering wheel. See Figure .
Navigation Antenna At left side of rear shelf. See Figure .
OnStar(R) Cellular Antenna At center top of rear window. See Figure .
Vehicle Battery At left front of engine compartment. 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.