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TM 9-2320-364-20-2
2-1385
(1) Set multimeter select switch to ohms.
(2) Is there continuity between outer
contact of blackout clearance
light socket and a known good
ground?
(a) If there is no continuity, replace
blackout clearance light
(Para 7-53).
(b) If there is continuity, replace
blackout clearance light lamp
(Para 7-53).
CONTINUITY TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
(1) Disconnect wire 1680 at chassis
harness connector.
(2) Set multimeter select switch to
volts dc.
(3) Connect positive (+) multimeter lead
to wire at chassis harness connector.
(4) Connect negative (–) multimeter lead
to a known good ground.
(5) Turn ON ENGINE switch
(TM 9-2320-364-10).
(a) If 10 to 14 vdc are not present,
turn OFF ENGINE switch and
repair wire 1680 between clearance
light splice and clearance lights
(see schematic Fig 2-35) or
notify DS Maintenance.
(b) If 10 to 14 vdc are present,
turn OFF ENGINE switch and
replace blackout clearance light
(Para 7-51).
VOLTAGE TEST
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