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 TM 9-2320-366-20-1
VOLTAGE TEST (CONT)
WARNING
(9) If 12 VDC is not present, repair wire 1951
Remove rings, bracelets, watches, necklaces,
from connector (Refer to Table 2-11.1. Cab
and any other jewelry before working around
Clearance and Marker Light
vehicle. Jewelry can catch on equipment and
Connectors) (para 2-45) or replace cab
cause injury or short across electrical circuits
clearance and marker lights cable assembly
and cause severe burns or electrical shock.
(para 7-66) or M1081 cab clearance and
marker lights upper cable assembly
(para 7-63).
CAUTION
(10) Position main light switch to OFF
(TM 9-2320-366-10-1).
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 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, and
lockwasher from marker light base.
Discard lockwashers.
(3) Extend base and disconnect connector
(Refer to Table 2-11.1. Cab Clearance and
Marker Light Connectors) from marker
light connector.
(4) Remove gasket from marker light base.
Discard gasket.
(5) Set multimeter to volts DC.
(6) Connect positive (+) probe of multimeter to
connector (Refer to Table 2-11.1. Cab
Clearance and Marker Light Connectors).
(7) Connect negative (-) probe of multimeter to
ground.
Marker/ID Light
Connector
Wire Segment
(8) Position main light switch to SER DRIVE
(TM 9-2320-366-10-1) and note reading on
RH Cab Top Marker
P55
P55 to splice E23
multimeter.
Light
RH Cab Top ID Light
P59
P59 to splice E23
Middle Cab Top ID
P60
P60 to splice E23
Light
LH Cab Top ID Light
P57
P57 to splice E23
LH Cab Top Marker
P50
P50 to splice E23
Light
Change 1
2-585
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