On-Vehicle Tests: Notes
NOTE:
Before making electrical checks, visually inspect all terminals for clean and tight connections. Check alternator mounting bolts and drive belt tension. DO NOT
ground No. 2 lead wire. Battery must be in good condition to test charging system.
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.