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Page Title:
Table 1. Lighting System Troubleshooting Procedures - continued |
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 TM 9-2320-361-24-1
0013 00
LIGHTING AND WIPER SYSTEM TROUBLESHOOTING (Contd)
Table 1. Lighting System Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test 3. Test lighting system harness
1. HEADLIGHT DOES
connector to voltage.
NOT OPERATE ON
LOW OR HIGH
1. Turn main light switch lever to
BEAM, OR BOTH
OFF position.
HEADLIGHTS
2. Remove light switch assembly
INOPERATIVE
from instrument panel
(Contd)
3. Disconnect harness connector
from light assembly
CAUTION
Voltage at pin F is tied directly to
battery without fuse protection. Insert
jumper wire in pin of faulty circuit
being tested first to prevent energized
jumper wire from touching ground and
damaging wire harness.
1. If battery voltage is indicated at pin
4. Check for battery voltage at
F, connect a jumper wire from pin F
harness connector at pin F.
to socket pin of faulty circuit.
2. If lamps light with jumper wire
connected, replace main light switch
3. If battery voltage is not indicated,
go to step 5.
Repair broken wire.
5. Check circuit 15 for loose
connections or broken wire.
6. Reconnect front wiring harness
connector to light switch and
reinstall light switch
Legend
MAL 1
SOCKET WIRE NO.
CIRCUIT
TEST 3
STEP 4
A
75
STOPLIGHT SWITCH
MAIN LIGHT SWITCH
B
40
PANEL LIGHTS
HARNESS CONNECTOR
C
22
DIRECTIONAL CONTROL
D
19
BLACKOUT (B.O.) DRIVING LIGHT
E
2024
B.O. MARKER LIGHTS
H
F
15
BATTERY POSITIVE CABLE 24 VOLTS
J
K
N
H
21
SERVICE REAR LIGHTS
J
460461
DIRECTIONAL INDICATOR
F
K
75
STOPLIGHT SWITCH
L
491
SERVICE PARKING LIGHTS
E
M
16
SERVICE HEADLIGHTS
A
M
N
23
B.O. STOPLIGHT
B
D
L
C
0013 00-4
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