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Engine Controls - System & Component Testing - 8.1L: Wiring Chevrolet Suburban X

Testing & Diagnostics 6 illustrations

PCM Harness Resistance

Turn ignition switch to LOCK position. Disconnect PCM and appropriate component harness connectors. Check for open or short circuits between appropriate PCM harness connector terminal and appropriate component harness connector terminal. If harness is open or shorted, repair as necessary.

Scheme 34

Scheme 34: PCM Harness Resistance

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