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TM 9-2320-360-20-1
WARNING
Jewelry can catch on equipment and cause injury or short
across electrical circuit and cause severe burns or electrical
shock. Remove rings, bracelets, watches, necklaces, and
any other jewelry before working around HET Tractor.
STOP LIGHT SWITCH TEST
NOTE
There are two stop light
switches. One stop light switch
is for the front brakes, and the
other is for the rear brakes.
(1)
Turn ENGINE switch to ON position.
(2)
Press and hold brake pedal with aid of
assistant.
(3)
Place positive (+) probe of multimeter on wire
no. 1005 at stop light switch.
(4)
Place negative (-) probe of multimeter on
ground and look for 10-14 volts on multimeter.
(5)
Repeat steps (3) and (4) for other stop light
switch.
(6)
Release brake pedal.
(7)
Turn ENGINE switch to OFF position.
STOP LIGHTS RELAY TEST
(1)
Turn ENGINE switch to ON position.
(2)
Press and hold brake pedal with aid of
assistant.
(3)
Place positive (+) probe of multimeter
on wire no. 1005A at STOP LIGHTS
relay.
(4)
Place negative (-) probe of multimeter
on ground and look for 10-14 volts on
multimeter.
(5)
Release brake pedal.
(6)
Turn ENGINE switch to OFF position.
WIRE NO. 1005A VOLTAGE
TEST
(1)
Turn ENGINE switch to ON position.
(2)
Press and hold brake pedal with aid of
assistant.
(3)
Place positive (+) probe of multimeter
on wire no. 1005A at turn signal switch.
(4)
Place negative (-) probe of multimeter
on ground and look for 10-14 volts on
multimeter.
(5)
Release brake pedal.
(6)
Turn ENGINE switch to OFF position.
Change 2 2-579
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