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TM 10-3930-643-20
ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE.
5-8.
Instrument Panel Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
w.
BULB CHECK SWITCH DOES NOT OPERATE.
NOTE
Before proceeding with continuity test, refer to paragraph 2-13 for
i n i t i a l s e t u p i n s t r u c t i o n s.
Test the continuity of the bulb check switch.
Connect
m u l t i m e t e r t o
terminals at the back of switch.
Engage switch to ON position.
If the multimeter needle does not move, the circuit does not have
continuity. Replace bulb check switch, refer to paragraph 5-20.
5-75
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