Draw a diagram on plain white paper with wire gauge noted and colors identified. 12v universal wiring harness kit relay fuse switch.

Toyota Rav4 Service Manual Front Fog Light Circuit Data
Fog lamp relay wiring diagram. Learn what a relay is how it works and why you should use one. Pictured is my wiring diagram for installing two fog lights with fuses a switch and a relay. Connect the red white wire to the lamp terminals and to the relay terminal labeled 87. 2 connect black wire to battery negative. Use as reference only. Wiring diagram comes with a number of easy to stick to wiring diagram instructions.
This wiring diagram will stay with the car so make it neat and easily readable. Find a power source to connect the switch power wire to. Fog lights off with high beams on relay wiring diagram. Before cutting any wire a good diagram is in order. Each component must be labeled. For legal operation of fog lights the power source must be one that is only powered when.
The lamps and relay harness are to be used only with 12 volt automotive. Connect one black lead to the vehicle ground and to the relay terminal labeled 86. 4 connect yellow wires from the switch and the relay together. 3 connect red wire to battery positive. While proper wiring for fog lights is not just adding a wire and a switch its not difficult and is. Fog light relay wiring diagram positive ground wiring library fog light wiring diagram with relay.
These instructions will probably be easy to grasp and use. Fog light wiring diagram jun 17 2012 327pm does anybody know if the 2010 1500s came pre wired with the factory fog light harness or do i need to have the harness professionally installed or can it be a diy kinda job. It is meant to aid all the typical consumer in creating a correct system. The lamps and relay harness are to be used only with 12 volt automotive. Test the operation of the lamps as follows. It is for this reason that we present here the proper way to wire a fog light systems.
Draw a diagram on plain white paper with wire gauge noted and colors identified. Properly installed and wired these lights make it much easier to drive in foggy conditions as they light the road much better than normal headlights. 1 the two connectors will be connected to the fog light assembly. Wiring diagram and the sequence below. Fog lights are a great do it yourself add on for a car or truck. Connect the yellow wire to the yellow switch wire terminal and to the relay terminal labeled 85.
The throttle cable and away from hot parts such as the exhaust manifold. 6 connect short black wire to ground. The etiquette rules for fog lights are the same as for bright high beams. 5 connect short red wire to headlight positive or side marker positive.