Lit. No. 89451, Rev. 05
86
May 15, 2022
FUSE REPLACEMENT
The vehicle electrical system contains several
automotive‑style fuses. The snowplow park/turn
and control power is covered by fuses in the
under‑hood snowplow wiring. The control fuse is
"hot" when the vehicle ignition switch is ON and
the electrical connections to the snowplow are
completed.
The hydraulic unit harness system contains three
automotive‑style mini fuses. The 4‑solenoid
harness (to port B on the hydraulic unit module)
and 9‑solenoid (HDV™) harness (to port C) each
contain two 5A mini fuses.
The 2‑solenoid (straight blades) or 6‑solenoid
(POWER PLOW™) harness (to port C) contains a
single 5A mini fuse.
If a problem should occur and fuse replacement
is necessary, the replacement fuse must be of the
same type and amperage rating as the original.
Installing a fuse with a higher rating can damage
the system and could start a fire.
MAINTENANCE
SNOWPLOW VEHICLE BATTERY
BEST PRACTICES
• Keep all battery connections tight and clean.
Poor connections cause higher power
consumption.
•
Before the snow season, confirm that the
battery is fully charged: 12.7V to 12.8V with
the engine OFF. Beginning the plowing
season with a weak battery results in deep‑
cycle depletion of the battery charge.
• If the battery charge level is low or
questionable, hook up a battery charger when
the vehicle is not in use. If the battery cannot
achieve or maintain a full charge, replace it.
(On dual‑battery vehicles, always replace both
batteries even if only one of them is bad.)
• Avoid leaving the snowplow vehicle parked
(unused) for 3 weeks or longer.
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