The relay grounds through the horn button. That closes the contacts & sends power to the horn.If the horn has 2 terms. yes you would ground one. If it blows you either have the relay wired wrong or it is defective. I,m not shure if it,s nessesary to have the relay grounded but won,t hurt. smile


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum