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Home >> GMC >> 1996 >> Forward Control 5.7 R, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 123 (Engine Controls - System/Component Tests - 4.3L.) >> Ignition System >> Timing Control Systems (C-4 & C-5) >> C-4, Ignition Control Circuit

C-4, Ignition Control Circuit

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An open or short to ground in Ignition Control (IC) or by-pass circuit will cause ECM/PCM/VCM to turn on Malfunction Indicator Light (MIL) and confirm fault by setting a related trouble code. Refer to the TESTS W/CODES - 4.3L article.

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