When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
This is a good deal, I get my power from the positive battery terminal and ran 10 guage wire for all my wiring between the battery terminal and the headlights.
Advance Auto has a heavy duty headlight connector for the old style headlights (three prong) that has larger wire into the plug that I used as well.
Brighter headlights with less power through the headlight switch and bulbs that last longer are the benefit of this upgrade.