Lit. No. 28270, Rev. 00
July 1, 2005
81
MOTOR/CABLE TEST
WARNING
Keep 8' clear of the blade when
it is being raised, lowered or
angled. Do not stand between
the vehicle and blade or
directly in front of the blade. If
the blade hits or drops on you,
you could be seriously injured.
Refer to the Motor/Cable and Motor
Relay Test Diagram.
Repair or replace motor or
pump.
Momentarily attach jumper
cables from the battery to
respective (+) (–) motor
terminals. Does motor run?
Retest with jumper cable
from battery (+) to (+) motor
terminal. Does the motor
run?
Repair ground (black) wire
in vehicle or snowplow
battery cable.
Momentarily attach jumper
cable between battery (+)
and motor side of motor
relay secondary. Does
motor run?
Repair positive (red) wire in
vehicle or snowplow battery
cable.
NO
NO
NO
YES
YES
YES
Attach jumper cable
between battery (+) and
battery side of motor relay.
Does motor run?
Go to
Motor Relay Test.
NO
Replace 22" red battery
cable.
YES