AMC Coupes/Sedans/Wagons 1975-1988 Repair Information

Control Unit

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REMOVAL & INSTALLATION



The control unit, whether ECM or MCU is mounted in the passenger compartment, beneath the right side of the instrument panel.

  1. The ECM is installed in a mounting bracket; remove it from the bracket. The MCU is attached with bolts; remove the bolts and remove the unit.
  2.  
  3. Disconnect the electrical plugs.
  4.  
  5. Installation is the reverse. The 4-cylinder ECM is electrically insulated from the chassis; do not ground the ECMbracket!
  6.  

 
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