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Page Title:
PARKING LIGHTS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
CONTINUITY TEST
(1) Remove four screws from instrument
panel.
J1-4
(2) Lift instrument panel out to remove
connector J3 from blackout light switch.
(3) Set multimeter to ohms.
(4) Connect multimeter positive lead (+) to
connector J3-L (wire 48).
CONNECTOR J1
(5) Connect multimeter negative lead () to
connector J1-4 (wire 48).
(a) If continuity is present, replace
blackout light switch (Para 8-13).
SCREW
(b) If continuity is not present, repair
BLACKOUT
wire 48 (Para 8-49).
LIGHT SWITCH
(6) Lift instrument panel out to connect
connector J3 to blackout light switch.
(7) Connect connector J1 to connector P1.
(8) Install instrument panel and four
screws to secure instrument panel.
VOLTAGE TEST
ENGINE START
(1) Set multimeter to volts dc.
SWITCH
(2) Connect multimeter positive lead (+) to
parking light female connector where
INSTRUMENT
wire 48 connects.
PANEL
J3-L
(3) Connect multimeter negative lead () to
known good ground.
(4) Connect negative battery cable to
negative side of battery (Para 8-42).
(5) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
CONNECTOR J3
CONNECTORS
(6) Turn blackout light switch to SER.
TO PARKING LIGHT
DRIVE position (TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 14
of this fault.
(b) If 24 vdc is not present, repair
wire 48 (Para 8-49).
(7) Turn blackout light switch to OFF
position (TM 10-3930-673-10).
(8) Turn engine start switch to OFF
position, (TM 10-3930-673-10).
(9) Disconnect negative battery cable from
negative side of battery (Para 8-42).
(10) Connect female connector to male
connector for parking light.
TR01735
2-191
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