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Page Title:
BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
VOLTAGE TEST
(1) Set multimeter to volts dc.
(2) Disconnect connector J1 from
CONNECTOR P1
connector P1.
(3) Connect multimeter positive lead (+) to
connector J1-5 (wire 45).
(4) Connect multimeter negative lead () to
known good ground.
(5) Connect negative battery cable to
J1-5
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).
CONNECTOR J1
(7) Turn blackout light switch to B. O.
MARKER position
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 13
of this fault.
(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).
SCREW
BLACKOUT
CONTINUITY TEST
LIGHT SWITCH
(1) Remove four screws and instrument
panel.
(2) Lift instrument panel out to remove
connector J3 from blackout light switch.
(3) Disconnect connector J1 from
connector P1.
(4) Set multimeter to ohms.
(5) Connect multimeter positive lead (+) to
connector J3-E (wire 45).
(6) Connect multimeter negative lead () to
connector J1-5 (wire 45).
(a) If continuity is present, replace
blackout light switch (Para 8-13).
(b) If continuity is not present, repair
wire 45 (Para 8-48).
(7) Lift instrument panel out to connect
connector J3 to blackout light switch.
(8) Connect connector J1 to connector P1.
(9) Install instrument panel and four
ENGINE START
screws.
SWITCH
INSTRUMENT
PANEL
J3-E
TR01701
CONNECTOR J3
2-317
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