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Page Title:
PARKING LIGHTS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
SCREW
VOLTAGE TEST
BLACKOUT
LIGHT SWITCH
(1) Remove four screws from instrument
panel.
(2) Lift instrument panel out to remove
connector J3 from blackout light switch.
(3) Set multimeter to volts dc.
(4) Connect multimeter positive lead (+) to
connector J3-F (wire 40).
(5) Connect multimeter negative lead () to
known good ground.
(6) Connect negative battery cable to
negative side of battery (Para 8-42).
(7) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 11
of this fault.
(b) If 24 vdc is not present, repair
wire 40 (Para 8-48).
(8) Turn engine start switch to OFF
ENGINE START
position, (TM 10-3930-673-10).
(9) Disconnect negative battery cable from
SWITCH
negative side of battery (Para 8-42).
(10) Lift instrument panel out to connect
connector J3 to blackout light switch.
INSTRUMENT
(11) Install instrument panel and four
PANEL
screws to secure instrument panel.
VOLTAGE TEST
J3-F
(1) Set multimeter to volts dc.
(2) Disconnect connector J1 from
CONNECTOR J3
connector P1.
(3) Connect multimeter positive lead (+) to
connector J1-4 (wire 48).
CONNECTOR P1
(4) Connect multimeter negative lead () to
known good ground.
(5) Connect negative battery cable to
negative side of battery (Para 8-42).
(6) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(7) Turn blackout light switch to SER.
DRIVE position (TM 10-3930-673-10).
J1-4
(a) If 24 vdc is present, go to Step 13
of this fault.
CONNECTOR J1
(b) If 24 vdc is not present, go to
Step 12 of this fault.
(8) Turn blackout light switch to OFF
position (TM 10-3930-673-10).
(9) Turn engine start switch to OFF
position, (TM 10-3930-673-10).
(10) Disconnect negative battery cable from
negative side of battery (Para 8-42).
TR01734
2-189
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