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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.
NOTE
Inspect connector pins/sockets for damage,
corrosion, and serviceability. Check that
connector pins are not pushed back and
are capable of making good contact.
VOLTAGE TEST
(1) Remove four screws from RH door marker
light base.
NOTE
Do not let wires slip through hole into cab
structure. If wires slip into cab structure,
vehicle will need further disassembly to
retrieve wires.
(2) Remove nut, lockwasher, terminal lug
TL131, and lockwasher from RH door
marker light base. Discard lockwashers.
(3) Extend base and disconnect connector
P131from marker light connector.
(4) Remove gasket from RH door marker light
base. Discard gasket.
(5) Set multimeter to volts DC.
(6) Connect positive (+) probe of multimeter
to connector P131 socket.
(7) Connect negative (-) probe of multimeter to
ground.
(8) Position main light switch to SER DRIVE
(TM 9-2320-366-10-1) and note reading
on multimeter.
(9) If 12 VDC is not present, repair wire 1947
from connector P131 socket to splice
E22 (para 2-45) or replace RH door and
cab marker lights cable assembly
(para 7-64).
(10) Position main light switch to OFF
(TM 9-2320-366-10-1).
Change 1
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