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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - A/T >> Diagnostic Flow Charts (Cars) >> Chart C-8A, Torque Converter Clutch Functional Check - 1992 3.8L PFI (VIN L & 1) >> Converter Clutch Apply Indicator Light On All The Time

Converter Clutch Apply Indicator Light On All The Time

Disconnect PCM Green connector and check circuit No. 422 for short to ground. If okay, PCM is faulty.

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