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Home >> Saturn >> 1993 >> SC2 Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Ignition System >> Programmable Read-Only Memory (Prom) >> Removal
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Programmable Read-Only Memory (Prom): Removal

  1. Remove ECM from vehicle. See ELECTRONIC CONTROL MODULE (ECM) . 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 on PROM. If replacing 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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