TM
5-5420-226-20-1
Symptom-45
DETAILED
TROUBLESHOOTING
PROCEDURE
T
INDICATOR
- LAMP
{Continued)
L
Check
personnel
heater
indicator
lamp ground
lead
for continuity
to ground.
Technician (Operator’s Station)
l Set HEATER
“MASTER
switch
OFF,
l Set multimeter
to OHMS
X 1 scale and “zero”
meter,
or
use STE/ICE
Test
No. 91 (page
4-83).
l Connect red probe of meter to terminal
1 of personnel
heater
indicator
lamp assembly
(CKT
GND)
and black
probe
to ground.
l Check if meter indicates
continuity.
Does meter
indicate
continuity?
\
m
TO VEHICLE
GROUND
\
&\
“ k’f
II
V2~INDICAT0R
L
LAMP
ASSEMBLY
1
1
I ———
i—
t
Replace
personnel
heater
indicator
lamp socket
(page
10-77).
0
\
--
TA1072O3
4-514
.,
