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Page Title:
FRONT AND REAR WINDSHIELD WIPERS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
VOLTAGE TEST
(1) Disconnect negative battery cable from
negative side of battery (Para 8-44).
(2) Set multimeter to volts dc.
(3) Connect multimeter positive lead (+) to
wire 1 where wire 1 connects to run
relay.
(4) Connect multimeter negative lead () to
known good ground.
(5) Connect negative battery cable to
negative side of battery (Para 8-44).
(a) If 24 vdc is present, go to Step 7 of
this fault.
(b) If 24 vdc is not present, repair
wire 1.
(6) Disconnect negative battery cable from
negative side of battery (Para 8-44).
RELAY K1
VOLTAGE TEST
(1) Set multimeter to volts dc.
(2) Connect multimeter positive lead (+) to
wire 3 where wire 3 connects to run
relay.
(3) Connect multimeter negative lead () to
known good ground.
(4) Connect negative battery cable to
WIRE 3
WIRE 1
negative side of battery (Para 8-44).
(5) Turn engine start switch to ON position,
TR01161
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 8 of
this fault.
(b) If 24 vdc is not present, replace run
relay (Para 8-23).
(6) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(7) Disconnect negative battery cable from
negative side of battery (Para 8-44).
2-429
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