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Home >> Buick >> 1990 >> LeSabre V6-231 3.8L VIN C SFI >> Repair and Diagnosis >> Powertrain Management >> Diagrams >> Electrical Diagrams >> Electronic/Powertrain Control Module (ECM/PCM)

Electronic/Powertrain Control Module (ECM/PCM)

ECM Wiring Diagram (Part 1 of 3):



Engine Controls (ECM):



Engine Controls (ECM):



Engine Controls (ECM):



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