× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Horn inop w/ key on
Posted to Technical Discussion Forum on 8/1/2014

Using a volt meter, what happens to the power to the horn relay and the ground to the relay when the key is turned on? Login to read more.