TM 5-3805-262-20
3-11. LIGHT SYSTEMS TROUBLESHOOTfiG (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. BLACKOUT DRIVING LIGHT DOES NOT OPERATE.
Step 1.
Step 2.
5. SERVICE TAIL
Step 1.
Step 2.
3-84
Disconnect wiring harness terminal from front blackout light termi-
nal by grasping terminal with your fingers and firmly pulling apart.
Connect multimeter between wiring harness termimal and fender.
Place ignition key switch in on position.
Place vehicle lights switch in B.0. DRIVE position.
Multimeter should
a . I f m u l t i m e t er
b. If multimeter
indicate 24 volts.
indicates 24 volts, replace lamp (page 5-99).
indicates zero, go to step 2 below.
Place vehicle lights and ignition key switches in off position .
Reach behind right instrument panel and unplug vehicle lights switch
connector by turning connector nut counterclockwise and pulling
f i r m l y .
Check wiring connection between blackout light wiring harness termi-
n a l
a .
b .
and vehicle lights switch connector pin D.
Repair or replace wire or connector as necessary (page 5-168 or
5-179).
If wire and connector are okay, remove right instrument panel
(page 5-48) and replace vehicle lights switch (page 5-53).
LIGHTS DO NOT OPERATE.
Place ignition key switch in on position.
Place vehicle lights switch in SER DRIVE position.
Service tail lights and front driving lights should be on .
a. If one tail light is on, go to step 3 below.
b . I f b o t h t a i l l i g h t s a r e o f f,
and at least one front driving
light is on, go to step 2 below.
c . I f a l l t a i l l i g h t s a n d d r i v i n g l i g h t s a r e o f f , r e f e r t o p a ge
3-80 MALFUNCTION 1.
Place vehicle lights and ignition key switches in off position.
Reach behind right instrument panel and unplug vehicle lights switch
connector by turning connector nut counterclockwise and pulling
f i r m l y .
Check wiring connection between wiring harness pink wire terminals
at tail lights and vehicle lights switch connector pin H.
