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Page Title:
FRONT FLOODLIGHT (OR FORWARD) DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
VOLTAGE TEST
(1) Set multimeter to volts dc.
(2) Remove four screws and instrument
panel.
(3) Lift instrument panel out to get to male
connector at floodlight switch.
(4) Connect multimeter positive lead (+) to
male connector for wire 70.
FRONT
(5) Connect multimeter negative lead () to
SLOODLIGHT
known good ground.
(6) Connect negative battery cable to
WITCH
negative side of battery (Para 8-44).
INSPRUMENT
T
(7) Turn engine start switch to ON position,
ANEL
SCREW
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 15
of this fault.
(b) If 24 vdc is not present, repair
wire 70 (Para 8-48).
(8) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(9) Disconnect negative battery cable from
negative side of battery (Para 8-44).
VOLTAGE TEST
ENGINE
S
(1) Set multimeter to volts dc.
S TART
(2) Lift instrument panel out to get to front
floodlight switch where wire 72
WITCH
connects to front floodlight switch.
(3) Connect multimeter positive lead (+) to
WIRE 70
front floodlight switch where wire 72
connects.
(4) Connect multimeter negative lead () to
known good ground.
FRONT
(5) Connect negative battery cable to
WIRE 72
SLOODLIGHT
negative side of battery (Para 8-44).
WITCH
(6) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(a) If 24 vdc is present, repair wire 72
(Para 8-48).
(b) If 24 vdc is not present, replace
floodlight switch (Para 8-7).
(7) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(8) Install instrument panel and four
screws to secure instrument panel.
(9) Install battery cover (Para 8-42).
2-259
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