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Home >> GMC >> 1998 >> Forward Control 7.4 B >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul - 7.4L >> Computerized Engine Controls >> Powertrain Control Module (Pcm) >> Installation
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Powertrain Control Module (Pcm): Installation

Install knock sensor module in NEW PCM. Install access cover. Install PCM into vehicle. Connect harness connectors to PCM. Reconnect negative battery cable. If NEW PCM has been installed, PCM MUST BE programmed. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION section.

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