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Home >> GMC >> 1986 >> Value Van P2500, 7.4 W, Automatic, 475/M40 >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Alternator - Models W/Integral Regulator >> Testing >> Notes
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Alternator - Models W/Integral Regulator: Testing: Notes

NOTE: Before making electrical checks, visually inspect all terminals for clean, tight connections. Check alternator mounting bolts and drive belt tension. Battery must be in good condition to test charging system.