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Home >> Isuzu >> 1987 >> Impulse Base, Automatic, AW03-70 >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternator - HITACHI >> Testing >> On-Vehicle >> With Load Circuit Check
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With Load Circuit Check

Connect ammeter to vehicle. Start and operate engine at 1900 RPM. Turn high beams on and switch A/C fan or heater fan to high. If 30 amps or more are not present, alternator is defective.

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