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Page Title:
STEERING SELECT SWITCH DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
VOLTAGE TEST
(1) Raise instrument panel out to reach
steering select switch.
(2) Set multimeter to volts dc.
(3) Connect multimeter positive lead (+) to
steering select switch where wire 84
connects.
(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,
INSTRUMENT
BUT DO NOT START ENGINE
PANEL
(TM 10-3930-673-10).
SCREW
(7) Switch steering select switch to CRAB
position (TM 10-3930-673-10).
(a) If voltage present, go to Step 6 of
this fault.
(b) If voltage is not present, replace
steering select switch (Para 8-7).
(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).
VOLTAGE TEST
ENGINE
(1) Raise instrument panel out to reach
START
steering select switch.
SWITCH
(2) Set multimeter to volts dc.
STEERING
(3) Connect multimeter positive lead (+) to
SELECT
steering select switch where wire 85
SWITCH
connects.
(4) Connect multimeter negative lead () to
WIRE 85
known good ground.
(5) Connect negative battery cable to
negative side of battery (Para 8-42).
STEERING
WIRE 84
(6) Turn engine start switch to ON position,
SELECT
BUT DO NOT START ENGINE
SWITCH
(TM 10-3930-673-10).
TR01588
(7) Switch steering select switch to 4
WHEEL position (TM 10-3930-673-10).
(a) If voltage present, go to Step 7 of
this fault.
(b) If voltage is not present, replace
steering select switch (Para 8-7).
(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) Install instrument panel and four
screws.
2-595
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