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Home >> GMC >> 1983 >> Forward Control 6.2 J, Automatic, 475/M40 >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternator & Regulator - Models W/Integral Regulator >> On-Vehicle Testing >> Overcharged Battery

Overcharged Battery

Connect a voltmeter from alternator terminal No. 2 to ground. If reading is zero, No. 2 lead circuit is open. If battery and No. 2 lead circuit check out good, alternator will have to be disassembled for further checks. See Overhaul.