TM
9-2320-363-20-1
Table 3-1.
Troubleshooting
(Cont)
Malfunction
Test or Inspection
Corrective Action
ELECTRICAL SYSTEM (CONT)
Dome
Light
Circuits
1.
NEITHER
DOME
LIGHT
OPERATES.
Step
1.
Check dome/auxiliary/flasher
lights 15A fuse.
.
If defective,
replace
15A fuse (page 4-204).
Step 2.
Disconnect
lead 420J from dome/auxiliary/flasher
15A fuse.
Check
for
+12
VDC
at lead 420J.
.
If +12 VDC
is present,
repair lead 41
(page
3-2).
If
no
voltage
is
present,
go
to
step
3.
Step 3.
Disconnect
connector from vehicular
light switch. Check
for +12 VDC
at
pin
J.
.
If +12
VDC
is present,
repair lead 420J
(page
3-2).
If no
voltage is present,
replace
vehicular
light switch (page 4-170).
2.
ONE
DOME
LIGHT
OPERATES,
THE OTHER
DOES
NOT
IN EITHER
MODE.
Step
1.
Inspect light bulb.
.
Replace
if broken or defective
(page 4-227).
Step 2.
Disconnect
lead 41
from
defective
dome
light. Check
for continuity from
dome
light ground lead to ground.
.
If continuity is indicated,
go to step 3. If no continuity is
indicated, repair ground
lead (page 3-2).
3-45
