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 TM 9-2320-366-20-1
TM
WARNING
Remove rings, bracelets, watches, necklaces,
and any other jewelry before working around
vehicle. Jewelry can catch on equipment and
cause injury or short across electrical circuit
and cause severe burns or electrical shock.
VOLTAGE TEST
(1)
Set multimeter to volts dc.
(2)
Connect positive (+) probe of multimeter to
power contact of each heater control lamp
socket.
(3)
Connect negative (-) probe of multimeter to
ground.
(4)
Position main light switch to SER DRIVE
(TM 9-2320-366-10-1).
(5)
Position main light switch auxiliary lever
to PANEL BRT (TM 9-2320-366-10-1).
(6)
Position dimmer switch to maximum
brightness (TM 9-2320-366-10-1) and note
reading on multimeter.
(7)
If 12 vdc is not present, go to step 4 of
this fault.
(8)
Position main light switch to OFF
(TM 9-2320-366-10-1).
(9)
Position main light switch auxiliary lever
to OFF (TM 9-2320-366-10-1).
(10)
Install lamps in heater (para 18-9).
CONTINUITY TEST
(1)
Remove personnel heater for access (para 18-9).
(2)
Disconnect connector PX25 from personnel
heater connector.
(3)
Set multimeter to ohms.
(4)
Connect positive (+) probe of multimeter to
connector PX25-3.
(5)
Connect negative (-) probe of multimeter to
ground and note reading on multimeter.
(6)
If continuity is not present, repair wire 3003
(para 2-45) or replace WTEC II dashboard cable
assembly (para 7-10) or WTEC III dashboard
cable assembly (para 7-11).
(7)
If continuity is present, replace or repair personnel
heater (para 18-9).
(8)
Connect connector PX25 to personnel heater
connector.
(9)
Install personnel heater (para 18-9).
2-865
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