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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.
CAUTION
Electrical power must be disconnected
from circuit before continuity can be
checked. Failure to comply may result in
damage to test equipment or electrical
system.
HORN BUTTON TEST
(1)
Disconnect horn switch
connector at steering column.
(2)
Set multimeter to ohms position.
(3)
Connect multimeter leads to
each pin In connector.
(4)
Press horn button and check
multimeter for continuity.
HORN RELAY TEST
(1)
Turn ENGINE switch to
ON position.
(2)
Place positive (+) probe of
multimeter on wire no.
1168 at HORN relay.
(3)
Place negative (-) probe
of multimeter on ground.
(4)
Press horn button and
look for 10-14 volts on
multimeter.
(5)
Turn ENGINE switch to
OFF position.
Change 2 2-497
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