Alternator Output Low

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 6. Electrical System Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

f. Check continuity between 3. If wiring to chassis ground is

10. No Alternator Output - Continued.

OK, replace alternator (WP

alternator and ground (WP

11. Alternator Output Low (Ammeter Reading 1. Check for loose, broken or 1. Adjust loose V-belts (WP 0069

missing alternator belts.

in Red Zone).

2. Replace broken or missing V-

2. Test charging voltage. Go to

Table 6, Malfunction 7.

12. Alternator Charge Too High (Ammeter in 1. Test charging voltage. Go to

Table 6, Malfunction 7.

High Green Zone).

2. Check

for

overheating.

a. Run

engine

for

approximately 10 minutes.

If alternator is hot, place battery

b. With engine off, check

disconnect switch to OFF

for

high

position and allow alternator to

temperature by holding

cool.

hand near alternator.

c. Restart engine.

If ammeter returns to high green

zone and alternator heats up

again, replace alternator (WP