Wiring Harness - Boat Lift Warehouse If you plan on having an electric boat lift, you will need a wiring harness for boat lifts! Purchase one from Boat Lift Warehouse today. Bremas Wire Harnesses | Boat Lift Controls - BH-USA The Bremas Wire Harnesses is a wired in-line GFCI into a Bremas brand boat lift control box. The wiresare color marked on the open in. These wire harnesses are ready to be wired directly to a hoist for operation. Momentary (spring-loaded) or Maintained (lock-on) style of wire harness options. 110v and 220v GFCI options.