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Bad ECM? NOT!
Posted to HVAC Forum on 4/27/1998

Vehicle: - 1989 Cutlass Ciera, 2.8 W, three-speed auto. trans, 1G3AJ51W0KOxxxxxx, 88,411 miles

Complaint: - A/C Clutch inoperative

Cause/Diagnosis: - Diagnosis showed that the ECM was not grounding the A/C clutch relay when A/C was req... Login to read more.