All you need is some wire and lugs a 12v 4 pole relay and two fuse holders with the correct fuses. If you do not install a relay and use a switch you could end up overheating the switch melting the wires and reducing the current that is getting to your lights making them less bright.
How To Install Spotlights On Your Vehicle 15 Steps
Spot lamp relay wiring diagram. Assortment of 12v relay wiring diagram spotlights. A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. How to wire your light using a relay the relay will have 4 points on it marked 30 87 85 and 86. The high beams are switched on for instance when the spotlights are covered an extra switch can be connected in the relays earth wire connected to pin 85 if you want to wire more than one set of spotlights it is advisable to use an extra relay for every set of spotlights. As in the diagram a wire is run from a 12 volt power source to the switch in the cab and out to the relay placing a fuse at the source of the power. Lets say you want to wire one.
It shows the parts of the circuit as simplified forms and the power and also signal links between the gadgets. All you need is some wire and lugs a 12v 4 pole relay and two fuse holders with the correct fuses. Just make sure that you use decent sized wires and a proper fuse holder for the connection of the power between the battery and the relay as well as the spot lights. The diagram below shows a simple wiring diagram for connecting spotlights to work together with your high beams. For anything above 30w we recommend installing a relay. Spot lights wiring diagram 1 of 5.
Offroad lights or accessory wiring diagram using a 4 pole relay relay the method used for wiring the lights and other external accessories for the most part follows the diagram pictured above. Wiring of spotlights by bennie hurter aca benhur to wire spotlights to work together with your high beams is not that difficult.

















