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TM 10-3930-643-20
ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE. (cont)
5-8.
Instrument Panel Troubleshooting. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
h.
BRAKE PRESSURE WARNING LIGHT DOES NOT OPERATE.
Step 1.
Remove socket and check brake pressure warning light bulb.
If the bulb is burned out, replace, refer to paragraph 5-25.
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.
Step 2.
Test the continuity of the brake pressure warning light switch.
Disconnect the harness assembly from the switch. Connect
multimeter to the switch terminal and ground.
If the multimeter needle does not move, the switch does not have
continuity. Replace the switch.
5-50
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