TM 5-3805-261-20
HORN AND BACK-UP ALARM TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
b.
BACK-UP ALARM FAILS TO OPERATE WITH TRANSMISSION IN REVERSE. (cont)
Step 3. Check the back-up alarm (Figure 7-149).
Figure 7-149
If the back-up alarm is damaged or defective--replace. Refer to paragraph 7-104.
Step 4. Test the continuity of the back-up alarm switch (Figure 7-150). Connect one multimeter lead to the back of
switch and one to around.
Figure 7-150
7-242
