1990 Eagle Premier ESFACTORY OEM SERVICE PROCEDURE

Control Units

CONTROL UNITS LOCATION

Component Location
A/C-Heater Control Unit Under dash, on right side of A/C-heater assembly.
Chime Module Behind dash, to right of cruise control module.
Cruise Control Module Behind dash, left of steering column.
ECAT Control Module On right fender panel, next to washer reservoir.
Electronic Control Unit (ECU) Under dash, on passenger's side of vehicle.
Ignition Module
4-Cyl. On frame bracket, below washer reservoir.
V6 On bracket, on left strut tower. See Figure .
Illuminated Entry Module Behind right side of glove box.
Intermittent Wiper Module Under dash, by passenger's side courtesy light.
Lighting Module Under dash, by driver's side courtesy light.
Lamp Module Behind fuse panel.
Light-Out Warning Module In luggage compartment, near right speaker.
Passive Restraint Control Unit In luggage compartment, on left side.
Vehicle Maintenance Module (VMM) Behind instrument cluster.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.