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Home >> Isuzu >> 1989 >> Pickup LS, 2D Pickup, 2.3 L, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests - CARBURETED >> Computerized Engine Controls >> Control Unit >> ECM Constant Power Circuits

ECM Constant Power Circuits

ECM should always have battery power to retain memory. Check Red wire of ECM 14-pin connector that is powered by 10A dome light fuse (No. 3).

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