How to Wire a Relay for Off-Road LED Lights – Extreme Lights What Is A Relay?Do I Need A Relay?How to Wire Your Light Using A RelayA relay is an electrical switch. It allows a low current “switch” circuit to control the electricity flow of a high-current circuit.See more on extremelights How to Wire a Relay for Off-Road LED Lights Jan 18, 2015Now, when you set the switch to the middle (off) position, your reverse lights operate as normal (and don't trigger your extra lighting). When you flip the switch one way, your reverse lights will operate the relay (and your light setup). When you flip the switch the other way, your lights will turn on independent of the reverse lights.
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