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Home >> GMC >> 1984 >> Forward Control 4.8 T, Standard >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternator & Regulator - Models W/Integral Regulator >> Adjustment
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Alternator & Regulator - Models W/Integral Regulator: Adjustment

No periodic adjustments or maintenance of any kind is required on alternator assembly. Regulator voltage is preset, and no adjustment is possible.

CAUTION: DO NOT  attempt to polarize alternator. DO NOT  short or ground any terminals except as instructed. Never operate alternator with battery out of circuit or output terminal open. Alternator and battery must share same ground polarity.