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Home >> Chevrolet >> 2003 >> S10 Pickup 2D Pickup, 2.2 H, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Engine Component Tests - 2.2L >> Computerized Engine Controls >> Powertrain Control Module >> PCM Harness Resistance
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PCM Harness Resistance

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

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