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TM 5-2410-237-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 6. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
19. Heater Will Not Operate or Will Not
c. Disconnect
red
and
Operate in High Speed or Low Speed
orange heater fan motors
Position - Continued.
wires.
d. Set
to
appropriate voltage range.
e. Connect meter negative
lead to chassis ground.
f. Place battery disconnect
switch in ON position.
g. Place heater switch in
LOW speed position and
touch meter positive lead
to red wires connected to
switch at fan. Observe
meter reading.
HEATER
FAN SWITCH
BLACK LEAD
15A FUSE
TO AMMETER
387-907
+ TERMINAL
0006 00-77
Change 1
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