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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls - 4.3L - Troubleshooting & Diagnosis) >> Distributor Ignition (DI) System Diagnosis >> Diagnostic Aids

Diagnostic Aids

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Engine mechanical conditions may prevent the distributor from rotating. Inspect the following conditions if the distributor rotor does not rotate:

An intermittent may be caused by a poor connection, rubbed through wire insulation, or a wire broken inside the insulation. Refer to Testing for Intermittent Conditions and Poor Connections . If a repair is necessary, refer to Wiring Repairs .