Operation CHARM: Car repair manuals for everyone.
Home >> Jeep >> 1989 >> Wagoneer L4-150 2.5L VIN E TBI >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Brakes and Traction Control >> Electronic Brake Control Module >> Service and Repair >> Removal and Installation
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Removal and Installation

ECU REPLACEMENT
1. Verify that ignition switch is Off. Then fold rear seat cushion forward for access to Electronic Control Unit (ECU).

Fig.37 ECU Mounting Bracket:




2. Remove screws attaching ECU mounting bracket to floorpan riser.

3. Remove screw attaching mounting bracket tab to floorpan.

Fig.38 ECU Connections:




4. Remove screws attaching ECU to mounting bracket.

5. Unplug ECU harness and remove ECU.

6. Connect harness to replacement ECU.

7. Install replacement ECU on mounting bracket and install ECU attaching screws.

8. Position mounting bracket on floorpan and install attaching screws.

9. Fold rear seat down.


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