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Programmable Read-Only Memory (Prom): Removal

  1. Remove ECM from vehicle. See ELECTRONIC CONTROL MODULE  under IGNITION SYSTEM. Position ECM so bottom cover faces upward. Remove slide-off PROM access cover by depressing locking tab.
  2. Using PROM removal tool, grasp PROM at narrow ends. Gently rock PROM from end to end while pulling up. If installing new PROM, remove old PROM from PROM carrier. See Figure.
NOTE: Note reference notch locations in PROM, carrier and ECM for reassembly reference.
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