ELECTRICAL ACCESSORIES TROUBLESHOOTING PROCEDURES - CONTINUED
TEST OR INSPECTION
Horn Is Inoperative -
side) and multimeter negative lead
to chassis ground.
d. Place battery disconnect switch in
ON position (TM 5-3805-248-10).
open circuit between horn switch and
3. If problem still exists, replace horn
10. Backup Alarm Is
Remove all jewelry, watch, rings, etc. prior to disconnecting cables from batter-
ies or other electrical source. Items can come in contact with battery or electrical
source and cause electrical shock. Failure to follow this warning may cause
injury or death.
Make sure wheels are chocked and bowl is lowered to ground for all tests. Fail-
ure to do so may cause injury or death.
Eye protection must be worn when performing maintenance where components or parti-
cles could fly out during procedure. Failure to take precautions may cause injury.
Make sure blackout lights are not on
1. If blackout lights are on continuously,
go to Malfunction 29.
continuously with light switch in OFF
2. If blackout lights are operating
correctly, go to Test 2.