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 TM 9-2320-366-20-1
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 circuits
and cause severe burns or electrical shock.
CAUTION
Use care when testing electrical connectors.
Do not damage connector pins or sockets
with multimeter probes. Failure to comply
may result in damage to equipment.
VOLTAGE TEST
(1) Set multimeter to volts DC.
(2) Connect positive (+) probe of multimeter
to connector PX4 socket 2.
(3) Connect negative (-) probe of multimeter to
ground.
(4) Position main light switch main selector
lever to SER DRIVE (TM 9-2320-366-
10-1).
(5) Position main light switch auxiliary lever to
PNL BRT (TM 9-2320-366-10-1).
(6) Position dimmer switch for maximum
brightness (TM 9-2320-366-10-1) and note
reading on multimeter.
(7) If 12 VDC is not present, repair wire 1908
from connector PX4 socket 2 to connector
PX8 socket 2 (para 2-45) or replace
WTEC II dashboard cable assembly (para
7-10) or WTEC III dashboard cable
assembly (para 7-11).
(8) If 12 VDC is present, replace FRONT
BRAKE AIR gage (para 7-14).
(9) Position main light switch to auxiliary lever
to OFF (TM 9-2320-366-10-1).
(10) Position main light switch main selector
lever to OFF (TM 9-2320-366-10-1).
(11) Connect connector PX4 to FRONT BRAKE
AIR gage connector.
(12) Connect connector clamp on FRONT
BRAKE AIR gage connector.
(13) Install instrument panel (para 7-15).
Change 1
2-390.9
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