1985 Chevrolet Corvette AutomaticFACTORY OEM SERVICE PROCEDURE

Control Units

CONTROL UNITS LOCATION

Component Location
Audio Alarm Module Behind center of instrument panel. See Figure.
Burn Off Module Behind right side of dash.
Cruise Control Module Built into LCD instrument cluster.
Diode Module In right rear corner of vehicle.
Electronic Control Module Behind right side of dash. See Figure.
Electronic Spark Controller On right side of A/C-heater blower housing. See Figure.
Headlight Door Motor Behind headlight assemblies.
Theft Deterrent Control Module Behind right side of dash.
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.