Despite the fact that you could be drawn to rely on your winch to safeguard your boat to the trailer, an electricity marine winch is certainly not designed to work as a tie-down Winchadvice by Jeff. After packing your boat, unhook the wire coming from the boat and also usage different tie-downs, like racket straps, to protect your boat to the trailer. Some power trailer winches include a backup hand crank in the event that of winch failing, so even when your electrical winch knocks off, you can still pack the watercraft by hand.