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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 Circuits
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Power Circuits

ECM should always have battery power to retain memory. Using a voltmeter, check for battery voltage at Red/White wire of ECM connector terminal C46-1. See Figure . Terminal is powered by 10-amp fuse No. 3 (dome light) in interior fuse box. Interior fuse box is located on left side of dash, behind panel.

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