Learn how to properly wire an LED light bar with our step-by-step instructions. Increase visibility and safety on your vehicle.. Learn how to properly wire a LED light bar using a relay with our detailed wiring diagram. Ensure proper installation and operation of your light bar with this helpful guide.
![[DIAGRAM] Whelen Light Bar Wire Diagram](https://images-na.ssl-images-amazon.com/images/I/71mCLUsZAsL._SL1200_.jpg "[DIAGRAM] Whelen Light Bar Wire Diagram")
![[DIAGRAM] Light Bar Switch Wiring Diagram](https://ae01.alicdn.com/kf/HTB1Qd70KpXXXXaDXFXXq6xXFXXXT/LED-Light-Bar-Wiring-Harness-for-OFF-Road-Jeep-SUV-Boat-ATV-40-Amp-Relay-On.jpg "[DIAGRAM] Light Bar Switch Wiring Diagram")
Ready to insall your LED light bar? Follow these 4 simple steps to see how to wire a light bar. Read on for step-by-step instructions and pro tips.. Stuck in the dark when you go on nighttime adventures? Learn how to wire a light bar in four easy steps to brighter driving.