Light Bar on a 300

Hey everybody this is my first post here so if I’m in the wrong place I apologize. I have a 1999 300 fourtrax 2wd that I want to put a light bar on. Once I get the light bar on I won’t be using the stock headlights. I saw on youtube where a guy hooked one into the stock headlight switch. What I’m asking for is pointers and how best to go about hooking them up and whether it’ll work or not.

These are what I’m looking at-

Amazon.com: Premier Light Bar – 12" CREE Flood/Spot COMBO Beam 72w LED Light Bar Off Road UTV: Automotive

http://www.amazon.com/120w-Light-Com…/dp/B00FJQLP7W