Posted by Paul on Tuesday, November 28, 2000 at 21:35:15:
In Reply to: what's this for? posted by Dave in WI on Tuesday, November 28, 2000 at 14:06:33:
You have three wires to the horn relay. One is power to the relay, one is power to the horn and the other is a ground to the horn switch. When you ground it, it engages the relay and shoots power to the horn.