LIGHTING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
TEST OR INSPECTION
Low Beams and High
Beams Are All Inoperative.
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 particles could fly out during procedure. Failure to take precautions may
Check if back-up alarm is inoperative
1. If back-up alarm, cutting-edge
worklight, low beams and high beams
are all inoperative, repair ground circuit
for relays located under operator
2. If cutting-edge worklight, low beams
and high beams are all inoperative, but
back-up alarm operates correctly, go to
and light switch.
a. Place battery disconnect switch in
OFF position (TM 5-3805-248-10).
c. Disconnect blue wire from either
high beam or low beam relay (WP
d. Disconnect light switch electrical