TM 5-3805-261-20
HORN AND BACK-UP ALARM TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
b.
BACK-UP ALARM FAILS TO OPERATE WITH TRANSMISSION IN REVERSE.
If the multimeter needle does not move, the circuit does not have continuity. Replace back-up alarm switch.
Refer to paragraph 7-105.
Step 5. Check the wiring harness.
If the wiring harness is cracked, broken or distorted--repair. Refer to paragraph 7-116. If replacement is
necessary--contact Direct Support.
7-243
