lemon-mirror:
Home >> GMC >> 1986 >> Forward Control 6.2 J, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Alternator - Models W/Integral Regulator >> Testing >> Notes

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.