Finally, a low-cost solution for on-board low-voltage needs. Let this one device power your lights by itself.. With 10 amp peak output capacity, your lights, horn, and other accesories should have ample juice.
The units now have current limit controll with auto-reset. At this price, get two to parallel for your on board stereo, disco ball and flood lights. Three wire , Red 72+ in, Yellow 13.5V+ out , Black common.