Tekonsha 7000-S RV Trailer Battery Switch – 3 Terminal

Fits all your needs. 3 Terminal model for metal frame ground systems. Cadmium plated, non-breakable heavy duty housing resists rust, and gives long life in most any environment. Isolates the starting battery, assuring you of primary battery power for starting the engine. Has full time charging of both batteries. Includes terminal nuts and lock-washers. For 12VDC continuous duty.

WARNING: Cancer and/or Reproductive Harm. See