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Page Title:
Table 4. Electrical System Troubleshooting Procedures - Continued. |
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 TM 9-2320-312-24-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 4. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
LIGHT SYSTEMS - CONTINUED
Replace failed circuit breaker(s)
3. Floodlights Inoperative - Continued.
6. Use multimeter to test
"FLOOD LIGHT" circuit
breaker.
Repair or replace damaged or
7. Use multimeter to check
wires and connectors between
corroded wires and connectors
components of floodlight
circuit.
Reset circuit breaker.
4. Headlight(s) Inoperative.
1. Ensure "HEAD LIGHTS"
25A circuit breaker is not
tripped.
Replace failed headlight(s) (WP
2. Use multimeter to check both
high and low beam terminals
on each headlight.
3. Use multimeter to check
Replace failed switch (WP 0093
operation of headlight switch.
Replace failed circuit breaker
4. Use multimeter to check
"HEAD LIGHTS" 25A
(see WP 0095 00).
circuit breaker.
Replace failed switch (WP 0100
5. Use multimeter to check
operation
of
headlight
dimmer switch.
Replace failed relay (WP 0095
6. Use multimeter to check
operation
of
headlight
dimmer relay.
Repair or replace damaged or
7. Use multimeter to check
wires and connectors between
corroded wires and connectors
components of headlight
circuit.
Reset circuit breaker.
5. Marker Lights and Taillights Inoperative.
1. Ensure marker and taillight
15A circuit breaker is not
tripped.
Replace damaged light(s) (WP
2. Check marker clearance
light(s) and taillight(s) for
damage.
Replace failed switch (WP 0093
3. Use multimeter to check
operation of marker and tail
light switch.
4. Use multimeter to check 15A
Replace failed circuit breaker
circuit breaker.
(see WP 0095 00).
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