LIGHTING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
TEST OR INSPECTION
Headlights Are All
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 and cutting-
1. If back-up alarm, cutting-edge
edge worklight are inoperative also.
worklight, low beams and high beams
are all inoperative, repair ground circuit
for relays located under operator
2. If only headlights are inoperative, go to
Check for voltage to headlight relay.
a. Place battery disconnect switch in
OFF position (TM 5-3805-248-10).
b. Disconnect blue wire from headlight