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Home >> Chevrolet >> 2000 >> Blazer 2D Utility, 4WD, Part Time, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal & Installation >> Computerized Engine Controls >> Powertrain Control Module >> Removal
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Powertrain Control Module: Removal

Ensure ignition is off. Disconnect negative battery cable. Disconnect harness connectors from PCM. Remove PCM from vehicle. On 4.3L, 5.0L, 5.7L and 7.4L, remove access cover and remove knock sensor module from PCM.

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