TM 9-2330-384-14&P
Table 4-2. Unit Troubleshooting Procedures (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Check circuit across posts of circuit breaker #2.
Step 2.
If there is continuity, circuit breaker is O.K. Go to step 3.
If there is no continuity, replace circuit breaker (see paragraph 4-16). If
malfunction still exists, go to step 3.
NOTE
Use an extension wire long enough to reach between connectors.
Cover of condulet at side clearance and marker light must be removed to
gain access to connector at side clearance and marker light (see
Check for continuity and a short in blue wire between inside post of circuit breaker #2
Step 3.
and connector at side clearance and marker light. Check for loose, disconnected, or
damaged wire and connector.
If there is continuity, that length of wire is O.K. Go to step 4.
If there is no continuity, or if wire is shorted, replace wire (see paragraph
Remove stop/taillight from light box to gain access to convoy warning light toggle
Step 4.
switch and wiring (see paragraph 4-20). Check for continuity and a short in blue wire
assembly between connector at side clearance and marker light and terminal
(closest to roadside) of toggle switch.
If there is continuity, blue wire assembly is O.K. Go to step 5.
If there is no continuity, or if blue wire assembly is shorted, replace (see
Turn convoy warning light toggle switch on (see paragraph 2-2). Check for continuity
Step 5.
across terminals of convoy warning light toggle switch.
If there is continuity, toggle switch is O.K. Go to step 6.
If there is no continuity, replace toggle switch (see paragraph 4-22). If
malfunction still exists, go to step 6.
Step 6.
Remove cover from condulet at rear dam (see paragraph 4-22). Ensure that convoy
warning light toggle switch is turned on (see paragraph 2-2). Check for continuity
and a short in blue wire assembly between terminal of toggle switch and connector
inside condulet.
If there is continuity, blue wire assembly is O.K. Go to step 7.
If there is no continuity, or if blue wire assembly is shorted, remove convoy
warning light conduit and replace blue wire assembly (see paragraph 4-29). If
malfunction still exists, go to step 7.
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