TM 5-3805-248-23-1
LIGHTING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0012 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. If continuity is indicated, replace light
j. Connect multimeter positive lead to
4.
Headlights Are All
blue wire from headlight relay
switch (WP 0067 00).
Inoperative - Continued.
(harness side) and multimeter
2. If continuity is not indicated, repair
negative lead to blue wire from light
open circuit between light switch and
switch.
relay (WP 0018 00).
J
A
H
B
K
L
N
F
C
M
E
D
394-1585
3.
Check for voltage to headlight
breaker.
a. Place battery disconnect switch in
OFF position (TM 5-3805-248-10).
b. Set multimeter to appropriate
voltage range (WP 0018 00).
c. Connect multimeter positive lead to
orange wire on headlight breaker
(harness side) and multimeter
negative lead to chassis ground.
d. Place battery disconnect switch in
1. If battery voltage is indicated, repair
ON position (TM 5-3805-248-10).
open circuit between high beam/low
beam relays and headlamp breaker (WP
2. If battery voltage is not indicated, go to
Step e.
0012 00-12
