Dual headlight schematic click image for larger view heres what i did. Universal relay kit 500479 92965263 instruction sheet rev 60 9192013 this relay kit is designed for muli purpose use.
Anxingo Dual High Low Beam Headlight Relay Wiring Harness H4 9003 With High Heat Ceramic Plugs
Dual headlamp relay wiring diagram. The best relays to use in setting up a headlamp circuit have dual 87 terminals. 30 85 87a 87 86 relay logic pink red black orange relay trigger 12v wire to a fused ignition source relay trigger ground wire to a good chassis ground to component basic relay wiring brake switch relay wiring pink red black. Headlight relay wiring diagram the above circuit is a way to use existing headlight wiring to control 2 relays that can be placed close to the lights. I planned on putting the relays directly above and behind the ds headlamp on the backside of the radiator support. That lets you use one 87 terminal to power the left filament and the other 87 terminal to power the right filament in whatever circuit youre building low beam high beam fog lamp etc so theres no need to double up on wires going to a single terminal or mess. I did this for two reasons ease of access not hidden by the battery and its close to where the headlight wiring comes from the fendercab.
First study the 3 diagrams that you will use as your guide on how you want to built your wiring. This run to the battery is typically much longer then the run from the relay to the. The main power from the battery feeding the fuse and relays should be a nice large gauge wire as indicated. They allow a little circuit to run a superior flow circuit using an electromagnet to manage the flow of electricity inside the circuit. Headlight relay wiring diagram the above circuit is a way to use existing headlight wiring to control 2 relays that can be placed close to the lights. 50 fresh 12 volt relay wiring diagram a run relay is used in the automotive industry to restrict and change the flow of electricity to various electrical parts inside the automobile.
1measure the lenght of the wire you need from the stock wiring going to the left to right if your battery is in the right then your wiring should start in right headlamp going to left. The main power from the battery feeding the fuse and relays should be a nice large gauge wire as indicated. After you have all the things and tools you will use now lets make a headlight wiring relay kit.
Gallery of Dual Headlamp Relay Wiring Diagram
