I'd like to have a louder horn but don't want to do too much modification for it. Looks like a relay would have to be added to preserve horn switch. Is the small black device a relay in this kit? if not, what do I need.anyone use this horn, looks like a good price.
Super Tone Red Hella Horns Round Pair Compact Universal 139DB Loud Blast Set | eBay
found the horn upgrade threads, so don't need a reply, thanks