Fog Light Wiring Diagram With Relay

For anything above 30w we recommend installing a relay.

Fog light wiring diagram with relay.
Failure to do so would cause excessive heat in the wiring and switch and create a risk of fire.
Pictured is my wiring diagram for installing two fog lights with fuses a switch and a relay.
It is for this reason that we present here the proper way to wire a fog light systems.

Wiring diagram and the sequence below.
How to wire your light using a relay the relay will have 4 points on it marked 30 87 85 and 86.
Installing new fog lights on your vehicle can greatly improve your visibility in poor weather conditions.

This is caused by the amount of power being drawn by the high output lights or accessories.
Before cutting any wire a good diagram is in order.
Each component must be labeled.

Most kits come with detailed instructions on how to install them and are designed for those with little to no wiring experience.
1 pre installed power switch.
When the coil of the relay is energized 12v from the high beam switch to terminal 86 ground on terminal 85 the normally closed contacts open interrupting 12v to the fog.

1 wiring diagram and users instruction.
This is a general wiring diagram for automotive applications.
12v universal wiring harness kit relay fuse switch.

Fog lights off with high beams on relay wiring diagram.
Draw a diagram on plain white paper with wire gauge noted and colors identified.
Learn what a relay is how it works and why you should use one.

The lamps and relay harness are to be used only with 12 volt automotive.
Use as reference only.
Use the following procedure.

Power 12v to the fogs lights passes through the normally closed contacts of the relay terminals 30 and 87a.
Connect the end of the.
1 full wiring kit handles up to 130 watt.

Turn on the low beam headlamps.
This wiring diagram will stay with the car so make it neat and easily readable.
Learn how to wire a relay for off road led light bars and work lights.

A relay works by using a switch to run 12 volts to the relay.
Your lamp kit harness my have different wire colors.
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.

Before connecting any wires disconnect the negative battery terminal.
Fog light aiming there are two important issues to address when installing fog lights the first is.
Whenever wiring off road lights its important to add a relay to the wiring.