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Engine Control Module (ECM): Removal

WARNING: This page is about a different car, the 2000 Cadillac Catera. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect negative battery cable. Remove under hood fuse/relay box cover. Firmly grasp ECM and slide unit straight up and out of fuse/relay box. See Figure .
  2. Flip release levers and disconnect ECM from harness connectors. Remove ECM from backing plate.
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