TM 5-3805-248-23-1
ELECTRICAL ACCESSORIES TROUBLESHOOTING PROCEDURES - CONTINUED
0011 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10. Back-up Alarm Is
yellow wire of backup alarm relay
Inoperative - Continued.
(harness side) and multimeter
negative lead to chassis ground.
394-1640
d. Place battery disconnect switch in
1. If battery voltage is not indicated, repair
ON position (TM 5-3805-248-10).
open circuit between fuse box and
2. If battery voltage is indicated, go to Test
5.
5.
Check for voltage to backup alarm
switch.
a. Place battery disconnect switch in
OFF position (TM 5-3805-248-10).
b. Set multimeter to appropriate
white wire on backup alarm switch
(harness side) and multimeter
negative lead to chassis ground.
d. Place battery disconnect switch in
1. If battery voltage is not indicated, repair
ON position (TM 5-3805-248-10).
open circuit between backup alarm
switch and backup alarm relay (WP
2. If battery voltage is indicated, go to Test
6.
0011 00-26