Caprice Wagon V8-350 5.7L (1994)
Engine Control Module: Service and Repair
PCM .
NOTE: To prevent internal PCM damage, the ignition must be "OFF", when disconnecting or reconnecting power to the PCM.
Remove or Disconnect:
1. Disconnect negative battery cable
2. Remove air cleaner assembly
PCM With Bracket
3. Disconnect PCM mounting hardware
