TM 5-3805-248-23-1
LIGHTING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0012 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
Check for voltage from stoplamp
5.
Service Stop/Tail Lights
Are Inoperative -
switch.
Continued.
a. Run engine and allow air pressure to
If air pressure does not build, go to
reach normal operating range (TM
Malfunction 7.
5-3805-248-10).
b. Place battery disconnect switch in
OFF position (TM 5-3805-248-10).
c. Set multimeter to appropriate
voltage range (WP 0018 00).
d. Connect multimeter positive lead to
white wire of stoplamp switch and
multimeter negative lead to chassis
ground.
394-1592
e. Place battery disconnect switch in
ON position (TM 5-3805-248-10).
f. Place light switch in SER DRIVE
1. If battery voltage is not indicated,
position; apply and hold brake
replace stoplamp switch (WP 0096 00).
pedal.
2. If battery voltage is indicated, go to Test
5.
0012 00-17
