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Home >> Isuzu >> 1994 >> Pickup 2D Pickup Extra Cab >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - CARBURETED >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Power Supply
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Power Supply

ECM relay is activated by ignition switch and supplies battery power to ECM. Relay is powered by 10-amp fuse No. 8 in interior fuse box. ECM relay should always have power at Black wire from 60-amp main fuse. The main fuse is located on right side of engine compartment, in fuse/relay box.

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