TM 5-3805-248-23-1
ELECTRICAL ACCESSORIES TROUBLESHOOTING PROCEDURES - CONTINUED
0011 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8.
Check switch high speed contacts for
12. Heater Blower Is
continuity.
Inoperative - Continued.
a. Place battery disconnect switch in
OFF position (TM 5-3805-248-10).
b. Set multimeter to appropriate ohm
(Ω) range (WP 0018 00).
c. Disconnect heater blower switch
electrical connections (WP 0222
d. Connect multimeter positive lead to
1. If continuity is not indicated, replace
heater switch red wire (switch side)
heater switch (WP 0222 00).
and multimeter negative lead to
2. If continuity is indicated, replace blower
heater switch purple wire (switch
(WP 0319 00).
side).
13. Defroster Is Inoperative.
WARNING
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
cause injury.
NOTE
For detailed electrical diagram, refer to WP 0005 00.
1.
Check for voltage to defroster fan.
a. Place battery disconnect switch in
OFF position (TM 5-3805-248-10).
