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 TM 9-2330-330-14&P
LIGHT SYSTEMS TROUBLESHOOTING--Continued
0019 00
Table 1. Troubleshooting Procedures--Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
ONE OR MORE LIGHTS
2.
At composite stoplight box,
If loose plugs or broken wires are
WILL NOT OPERATE--
check for loose plug
found, repair wires (refer to WP
Continued
connections or broken
wires (refer to
Verify problem is solved. If no
loose connections or broken
wires are found, go to step 3.
3.
At composite stoplight box,
If voltage is present at wires,
insert multimeter leads to
replace defective composite
ground wire 90 connector
stoplight assembly (refer to WP
and socket of suspected
bad wire(s) and check for
at wires, go to step 4.
voltage.
4.
Disconnect connectors of
If voltage is present at wires,
main trailer wiring harness
repair (refer to WP 0065
from socket box harness
00)/replace (refer to WP 0061
inside composite stoplight
box. Insert multimeter
harness. If voltage is not present,
leads to ground wire 90
go to step 5.
connector and suspected
bad wire(s) and check for
voltage.
5.
At front access hatch
If voltage is present at terminal,
cover, check suspected
repair (refer to WP 0065
bad wires for voltage at
00)/replace (refer to WP 0057
terminal strip (refer to WP
voltage is not present at terminal
strip, troubleshoot prime mover.
END OF TASK
0019 00-2
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