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Home >> GMC >> 1996 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls Removal, Overhaul & Installation - Diesel >> Ignition System >> Powertrain Control Module (Pcm) >> Removal

Powertrain Control Module (Pcm): Removal

Disconnect negative battery cable. Unplug electrical connectors from PCM. See Figure. Remove PCM from vehicle. Remove PROM from PCM. See PROGRAMMABLE READ-ONLY MEMORY (PROM) .