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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.
WIRE NO. 1012 VOLTAGE
TEST
(1)
Turn ENGINE switch to ON position.
(2)
Place headlights switch in center
position.
(3)
Place positive (+) probe of
multimeter on wire no. 1012 at
inoperative light.
(4)
Place negative (-) probe of
multimeter on ground and look for
10-14 volts on multimeter.
(5)
Place headlights switch in off
position.
(6)
Turn ENGINE switch to OFF
position.
CONTINUITY TEST
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.
(1)
Disconnect wiring from components at each end of wire.
(2)
Set multimeter to ohms position.
NOTE
A reading of infinity indicates an open circuit.
(3)
Connect multimeter leads to each end of wire and check
multimeter for continuity.
NOTE
Any reading besides infinity indicates a grounded wire.
(4)
Remove multimeter lead from one end of wire and
connect to chassis ground.
WIRE NO. 1835 VOLTAGE
TEST
(1)
Turn ENGINE switch to ON position.
(2)
Place headlights switch in center
position.
(3)
Place positive (+) probe of multimeter
on wire no. 1835 at CL. LTS. relay.
(4)
Place negative (-) probe of
multimeter on ground and look for
10-14 volts on multimeter.
(5) Place headlights switch in off position.
(6)
Turn ENGINE switch to OFF position.
Change 2 2-549
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