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Home >> Jeep >> 1990 >> Cherokee Base, 2D Utility, 2.5 E, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Electronic Control Unit (Ecu) - 2.5L & 4.0L R & I >> Procedure >> Installation
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Electronic Control Unit (Ecu) - 2.5L & 4.0L R & I: Procedure: Installation

  1. Connect the ECU wiring harness connector.
  2. While holding the ECU in position, attach the 3 ECU attaching screws. See Figure .
  3. Connect the negative battery cable.