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Home >> GMC >> 1991 >> Forward Control 4.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (Cruise Control System) >> Self-Diagnostic System >> Visual Inspection
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Visual Inspection

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

Perform a visual inspection before attempting to diagnose speed control system problems. A visual inspection may quickly identify cause of a malfunction and eliminate need for diagnostic testing. A thorough visual inspection includes checking for disconnected or faulty wiring harness connectors, leaking or misrouted vacuum hoses, corroded battery terminals or bare wires.

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