![]() If you are running too many amps through a component not rated to handle it, bad things can happen like overheating/melting the switch, melting the wires, or at a minimum reducing the current that is getting to your lights which will reduce the power output.Īnother reason you may want to add a relay is to utilize electrical currents from existing "switches" in your vehicle. There are very few switches that are designed to handle the the draw of one of our larger light bars like the Extreme LED X2 52" dual row lightbar, which draws about 40 amps. While many switches will be able to handle that, for example, the Extreme LED Rocker Switches are rated for 20 amps at 12v. Our lowest amp draw LED light pods draws about 1.4 amps. When you create a circuit, a loop of electricity from the battery positive to your LED Light bar to your battery negative, if you just put a switch between the battery and the light, the switch has to be rated for the full current (amp draw) of the light. It allows a low current "switch" circuit to control the electricity flow of the high-current circuit load, like your LED Light bar for example. ![]() A common question we get is, "What is the relay for and how do I wire it to my light bar?" To provide more color to this, we will cover:Ī relay is an electrical switch that controls the power to your led light bar.
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