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TM 103930-643-20
ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE.
5-7.
Light System Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
d.
REAR WORK LIGHT(S) DOES NOT OPERATE.
Step 4. Test the continuity of the rear service lights switch. Turn
rear service light switch to ON position. Connect the multi-
meter to the two terminals at the back of the switch.
If the multimeter needle does not move, the circuit does not have
continuity. Replace rear service lights switch, refer to paragraph
5-20.
Step 5. Test the rear service lights wire assembly. With the interme-
diate harness disconnected from the instrument panel harness
(refer to step 3), connect the multimeter to Terminal B and to
Pin J.
If the multimeter needle does not move, identify as a defective wire
and contact Direct Support.
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