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Home >> Buick >> 1986 >> Skylark Custom, 2.5 U >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - TBI >> Removal & Installation >> Electronic Control Module (ECM) >> Removal

Electronic Control Module (ECM): Removal

Disconnect negative battery cable. Remove interior covering of ECM location. Disconnect ECM electrical leads. Remove ECM and carefully remove PROM from ECM.