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Page Title:
REAR WINDSHIELD WIPERS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
VOLTAGE CHECK
(1) Set multimeter to volts dc.
(2) Connect multimeter positive lead (+) to
wire 33 where wire 33 connects to rear
wiper switch.
(3) Connect multimeter negative lead () to
known good ground.
(4) Connect negative battery cable to
negative side of battery (Para 8-44).
(5) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(6) Turn rear wiper switch to HI position
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 3 of
this fault.
(b) If 24 vdc is not present, replace
rear wiper switch (Para 8-7).
(7) Turn rear wiper switch to OFF position
(TM 10-3930-673-10).
(8) Turn engine start switch OFF
(TM 10-3930-673-10).
(9) Disconnect negative battery cable
(Para 8-44).
VOLTAGE CHECK
(1) Set multimeter to volts dc.
(2) Connect multimeter positive lead (+) to
wire 34 where wire 34 connects to rear
ENGINE START
wiper switch.
SWITCH
WIRE 33
(3) Connect multimeter negative lead () to
known good ground.
(4) Connect negative battery cable to
negative side of battery (Para 8-44).
(5) Turn engine start switch to ON position,
WIRE 34
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
REAR WIPER
(6) Turn rear wiper switch to LO position
SWITCH
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 4 of
TR01156
this fault.
(b) If 24 vdc is not present, replace
rear wiper switch (Para 8-7).
(7) Turn rear wiper switch to OFF position
(TM 10-3930-673-10).
(8) Turn engine start switch OFF
(TM 10-3930-673-10).
(9) Disconnect negative battery cable
(Para 8-44).
2-419
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