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Utilities & SystemsBATTERY ISOLATOR (FOR TOW VEHICLE)A battery isolator should be installed for two purposes. First it receives current from thealternator and controls distribution of energy to both batteries. Secondly, it serves as acheck valve to prevent energy from being drawn from tow vehicle chassis battery. Energyin the tow vehicle is now preserved to start your engine.Two types of isolators are available, mechanical and solid state. Each type has an amperagerating (70-amp per side) to indicate it’s capacity of operation. The solid state type ofisolator, although typically more expensive, will provide the best overall performance.Your independent, authorized dealer can assist you with purchase and installation if youchoose to purchase a battery isolator.LIGHTSPorchPorch light(s) on either sidewall will have switches located on the wall inside of theentrance door.Front convenience (hitch) lights on trailers will have a switch included with the lightassembly and fused through the fuse panel.ExteriorAll exterior running lights, such as tail lights, clearance lights, turn signals, brake lights,etc., are energized by the tow vehicle power. When attaching wires to your tow vehicle,carefully and tightly tape all connections for moisture protection.Refer to diagram (Fig. 26) for the color code of the seven pin connector. The connectorbetween the tow vehicle and your travel trailer may build up corrosion with extended use,and should be cleaned periodically to insure good electrical contact.Fig. 26 White 1 GroundBlue 2 BrakesGreen 3 Running lightsBlack 4 Interior 12-volt lighting7 yellowRed 5 Stop & left turnBrown 6 Stop & right turnYellow 7 Back up6 brown4 black2blue3 greenCar EndRear View1 white5redInteriorThe interior lights will operate from the converter and/or auxiliary battery. Some lights willhave wall switches and others will have switches in the fixtures themselves.Jay Flight Conventional Travel Trailer and Fifth-Wheel Travel Trailer 69