Jeep Wagoneer/Commando/Cherokee 1984-1998

Electronic Control Unit (ECU)

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Removal & Installation



The ECU is located underneath the instrument panel between the steering column and the heater A/C housing.

  1. Disconnect the negative battery cable.
  2.  
  3. Unfasten the locknuts securing the ECU and bracket to the dash.
  4.  
  5. Unfasten the ECU-to-bracket retainer.
  6.  
  7. Disengage the connectors from the ECU.
  8.  
  9. Remove the ECU.
  10.  

To install:
  1. Install the ECU into the bracket and tighten the retainer.
  2.  
  3. Engage the ECU electrical connections.
  4.  
  5. Install the ECU and bracket in position and fasten the retainers.
  6.  
  7. Connect the negative battery cable.
  8.  

 
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