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Page Title:
AIR CONDITIONER DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
VOLTAGE TEST
(1) Set multimeter to volts dc.
(2) Connect multimeter positive lead (+) to
WIRE 81
thermostat where wire 81 connects.
(3) Connect multimeter negative lead () to
THERMOSTAT
known good ground.
(4) Connect negative battery to negative
side of battery (Para 8-42).
(5) Turn engine start switch to START
position, START ENGINE
(TM 10-3930-673-10).
(6) Turn heater/air conditioner switch to
A/C (TM 10-3930-673-10)
(a) If voltage is present, go to Step 6
of this fault.
(b) If voltage is not present, replace
thermostat (Para 17-12).
(7) Turn heater/air conditioner switch OFF
(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).
VOLTAGE TEST
(1) Set multimeter to volts dc.
(2) Disconnect male connector from
female connector for wire 81.
(3) Connect multimeter positive lead (+) to
low pressure cut-off switch where
C
MALE
wire 81 connects.
ONNECTOR
(4) Connect multimeter negative lead () to
C FEMALE
known good ground.
ONNECTOR
WIRE 81
(5) Connect negative battery cable to
negative side of battery (Para 8-42).
(6) Turn engine start switch to START
position, START ENGINE
(TM 10-3930-673-10).
(7) Turn heater/air conditioner switch to
A/C (TM 10-3930-673-10)
(a) If voltage is present, go to Step 7
of this fault.
(b) If voltage is not present, repair
wire 81 (Para 8-48).
(8) Turn heater/air conditioner switch OFF
(TM 10-3930-673-10)
(9) Turn engine start switch to OFF
position (TM 10-3930-673-10).
C OW PRESSURE
L
(10) Disconnect negative battery cable from
UT-OFF SWITCH
negative side of battery (Para 8-42).
TR01111
(11) Connect male connector to female
connector for wire 81.
2-455
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