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SKU:
ZZ3F04691
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Heavy Duty Snow Plow Motor Relay Fit for Western Fisher 684-1221-012-02 5794K-1
$55.09
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Compatible Models
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Compatible equipment / model
Heavy Duty Snow Plow Motor Relay for Western Fisher 684-1221-012-02 5794K-1
This heavy duty snow plow motor relay for Western Fisher 684-1221-012-02 5794K-1 is a high-current switching device that manages power flow to the snow plow lift and angle motors. This heavy duty snow plow motor relay is engineered to replace worn or defective units on Western and Fisher plows.
Overview
This heavy duty snow plow motor relay for Western Fisher 684-1221-012-02 5794K-1 controls the high-amperage circuit that drives the hydraulic pump motor, allowing precise blade movement. It is a direct replacement for OEM part numbers 684-1221-012-02 and 5794K-1, restoring reliable plow operation. This heavy duty snow plow motor relay is built for continuous use in extreme cold and heavy snow conditions.
Built For Performance
- High-amperage rated contacts handle inrush currents of hydraulic motors without welding
- Sealed housing prevents ice and debris from jamming the internal mechanism
- Heavy-gauge copper terminals ensure low voltage drop for strong motor response
- Vibration-resistant construction withstands constant road and plow shock
- Simple two-bolt mounting with standard SPST wiring for easy swap-in
Fits These Machines
- for Western 7'6" and 8'2" UniMount plows
- for Western Pro Plow series
- for Fisher HD2 and HT series plows
- for Fisher XV2 and XBLADE series
On-The-Job Use
- Used to energize the lift motor when raising the blade off the pavement
- Controls power to the angle motor for left and right blade deflection
- Integrated into the plow's main wiring harness for use with handheld or in-cab controllers
Specs At A Glance
| Type | Motor Relay / Contactor |
| Voltage | 12V DC |
| Part Number(s) | 684-1221-012-02, 5794K-1 |
| Housing | Sealed, corrosion-resistant |
Good To Know
Q: What symptoms indicate a failing plow motor relay? A: Common symptoms include the plow motor running slowly or not at all, intermittent operation, or a clicking sound without blade movement when the controller is activated.
Q: Can this relay be used as a direct replacement for older Western or Fisher models? A: The 684-1221-012-02 and 5794K-1 parts are cross-compatible across multiple generations of Western and Fisher plows, but always verify the serial number and wiring configuration before installation.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.