CJ-7 L6-258 4.2L VIN C 2-bbl (1982)
Fig. 8 Testing brush clip
OVERCHARGED BATTERY
1.
Remove alternator from vehicle and separate end frames as outlined under "Alternator Disassembly."
2.
Check field winding. If shorted, replace rotor and test regulator.
3.
Connect ohmmeter from brush clip to end frame, set meter on low scale and note reading.
4.
Reverse leads, if both readings are zero, remove screw from brush clip and inspect sleeve and insulator.
5.
If sleeve and insulator are in good condition, then regulator is at fault and must be replaced.
ALTERNATOR NOISE
Alternator noise may be caused by a loose drive pulley, loose mounting bolts, worn or dirty bearings, defective diodes or a defective stator. Inspect all
components and replace as necessary.