Jeep Wagoneer/Commando/Cherokee 1984-1998

Electronic Control Unit (ECU)

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Removal & Installation



See Figure 1

  1. Turn the ignition OFF and remove the screws securing the ECU to the mounting bracket.
  2.  
  3. Disengage the ECU wiring harness and remove the ECU.
  4.  

To install:

IF a new ECU is to be installed, transfer the mounting bracket to the new ECU. Tighten the ECU-to-mounting bracket screws to 75-115 inch lbs. (8-13 Nm).

  1. Engage the wire harness to the ECU. Install the the ECU. Tighten the fasteners to 85-125 inch lbs. (10-14 Nm).
  2.  
  3. Test drive the vehicle and verify proper brake operation.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the ECU mounting-1994 Cherokee shown

 
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