Originally Posted by kjmillig
I used my multitester on the button and continuity is OK. I'm still confused, and I'm no electrician.
Could you have a short when the switch is mounted on the bike? When you say continuity is OK, do you mean you have a closed curcuit when you press the switch button? Also test the whole wiring harness--hook your tester to the positive on the battery and then on the positive on the horn.