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Page Title:
BOOM FLOODLIGHT DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
J4-W
VOLTAGE TEST
(1) Disconnect negative battery cable from
negative side of battery (Para 8-42).
(2) Set multimeter to volts dc.
(3) Disconnect connector J4 from
connector P4.
CONNECTOR J4
(4) Connect multimeter positive lead (+) to
connector J4-W where wire 71
connects.
(5) Connect multimeter negative lead () to
known good ground.
(6) Connect negative battery cable from
negative side of battery (Para 8-42).
(7) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
CONNECTOR P4
(TM 10-3930-673-10).
(8) Turn boom floodlight switch to ON
position (TM 10-3930-673-10).
(a) If 24 vdc is present, repair wire 71
or P4 connector (Para 8-50).
(b) If 24 vdc is not present, repair
wire 71 or connector J4
(Para 8-50).
(9) Turn boom floodlight switch to OFF
position (TM 10-3930-673-10).
(10) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(11) Disconnect negative battery cable from
negative side of battery (Para 8-42).
(12) Connect connector J4 to connector P4.
TR01585
(13) Connect negative battery cable to
negative side of battery (Para 8-42).
(14) Install battery cover (Para 8-42).
2-283
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