Roadmaster 751000 Universal Brake Light Switch

Roadmaster Universal Brake Light Switch For Use with Supplemental Braking Systems that Move the Towed Vehicle's Brake Pedal Just 4 Wires: (1) Wire to the Brake Transmitter, (1) to the Break Away Switch, (1) to Ground, (1) to Can Provide a Brake Signal to Any Motorhome Monitor Mounts to the Brake Pedal Arm Under the Dash No Bracket