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Page Title:
TAILLIGHT(S) DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
SCREW
VOLTAGE TEST
BLACKOUT
LIGHT SWITCH
(1) Set multimeter to volts dc.
(2) Disconnect connector J1 from
connector P1.
(3) Connect multimeter positive lead (+) to
connector J1-8 (wire 46).
(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).
(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
ENGINE START
position (TM 10-3930-673-10).
SWITCH
(9) Turn engine start switch to OFF
position, (TM 10-3930-673-10).
INSTRUMENT
(10) Disconnect negative battery cable from
PANEL
negative side of battery (Para 8-42).
J3-H
CONTINUITY TEST
CONNECTOR J3
(1) Remove four screws and instrument
panel.
J1-8
(2) Lift instrument panel out to remove
connector J3 from blackout light switch.
(3) Disconnect connector J1 from
connector P1.
CONNECTOR P1
(4) Set multimeter to ohms.
(5) Connect multimeter positive lead (+) to
connector J3-H (wire 46).
(6) Connect multimeter negative lead () to
connector J1-8 (wire 46).
(a) If continuity is present, replace
blackout light switch (Para 8-13).
(b) If continuity is not present, repair
wire 46 (Para 8-48).
(7) Lift instrument panel out to connect
connector J3 to blackout light switch.
CONNECTOR J1
(8) Connect connector J1 to connector P1.
(9) Install instrument panel and four
screws.
TR01710
2-173
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