Install Light Switch Diagram February 21, 2019 How To Install A Brake Light Switch. Using a "Low Pressure Hydraulic Brake Light Switch" is your best bet! http://www.swrnc.com or 972-420-1293 www.youtube.com Motorhome Wiring DiagramCeiling Fan And Light Combo6 Pole Square Trailer Wiring Connector14 4 Electrical WireBasic Electrical WorkInstalling Light Switch 2 WiresStandard Trailer Plug Wiring Diagram4 Pole Dimmer Switch