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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 1. Test battery voltage at rear
3. TAILLIGHT OR
composite light.
CLEARANCE LAMP
DOES NOT LIGHT
1. Place main light switch lever
in OFF position.
2. Disconnect lead 21 from rear
composite light
3. Turn main light switch lever to
SERVICE DRIVE position.
4. Check for battery voltage on
1. If battery voltage is present, go to
contact end of lead 21.
test 2 and check lamp filaments
2. If voltage is not present, go to WP
test 3, and check front wiring harness
Test 2. Test continuity of filament in
pin H.
taillight lamp.
Set multimeter to RX 1 scale. Check
1. If continuity is not present, replace
for continuity between lead 21
taillight lamp (WP 0125 00).
connected to rear composite light and
2. If continuity is present, check for
frame ground.
corroded contacts at lamp and lead
21 connection to rear wiring
harness. Reconnect lead 21.
Test 1. Test battery voltage at rear
4. STOPLIGHT LAMP
composite light.
DOES NOT LIGHT
1. Turn main light switch to OFF
position.
2. Disconnect lead 22-460-461
from rear composite light on
side of vehicle where stoplight
has failed.
NOTE
Ensure turn indicator is in neutral
position.
3. Check for battery voltage on
1. Depress brake pedal to activate
contact end of lead 22-460-461.
stoplight switch.
2. If voltage is present, go to step 2.
3. If battery voltage is not present, go
to WP 0013 00, table 1, malfunction
1, test 3, and test lighting system
harness connector pin C.
Test 2. Test continuity of filament in
stoplight lamp.
If continuity is present, check for
Check continuity between frame
corroded contact at lamp and lead
grounds and lead 22-460-461
22-460-461 connection to rear wiring
connected to rear composite light.
harness. Reconnect lead 22-460-461.
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