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Home >> GMC >> 1995 >> Forward Control 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul - 6.5L Diesel. >> Powertrain Control Module (Pcm) >> Control Module >> Removal
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Control Module: Removal

Disconnect negative battery cable. Unplug electrical connectors from PCM. See Figure. Remove PCM from vehicle. Remove PROM and CALPAK (if equipped) or MEM-CAL from PCM. See CALPAK, MEM-CAL, or PROGRAMMABLE READ-ONLY MEMORY (PROM).

NOTE: If PCM is to be replaced, remove MEM-CAL or PROM for fitting is new PCM.
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