Sway control system helps correct sway in trailers that do not need a weight distribution hitch. To do this, the unit activates the trailer brakes based on the degree of sway and the trailer’s speed. Gyroscope and GPS monitor sway and speed.
- Electronic sway control system limits side-to-side movement of trailer during towing
- Unit corrects sway by activating trailer brakes and can be mounted almost anywhere on trailer’s tongue
- Solid-state gyroscope senses sway and activates all trailer brakes simultaneously
- GPS monitors speed and determines the brake force needed to correct sway at that speed
- Plug-and-play system requires no hardwiring and plugs in-line with your current setup
- 7-Way connector from your trailer plugs into Sway Master unit
- Harness from unit plugs into the 7-way socket on your vehicle
- Plug holders keep the connectors securely plugged into the sockets
- Parallel circuitry – won’t interfere with normal braking or signals from brake controller
- Molded construction is water resistant and durable to protect internal components
- Self-calibrating design – no need to set up or continually adjust
- Included screws attach unit to the A-frame of your trailer
- Some drilling required
- Made in the USA
Size7-1/2″ L x 3-1/2″ W x 4-3/4″ HApplicationTrailers up to 4 axles
(8 brake assemblies)Length5′ HarnessUPC858891001411MPN81775LNS Part #247-81775KMS Part #HBC 81775DMP Part #38-0046


