Horn stays on solid 1998 Honda Passport 6L. Ran down battery, pulled fuse. Does anyone why the horn would suddenly come on & stay on?

Horn stays on solid 1998 Honda Passport 6L. Ran down battery, pulled fuse. Does anyone why the horn would suddenly come on & stay on?

Read more: Horn stays on solid 1998 Honda Passport 6L. Ran down battery, pulled fuse. Does anyone why the horn would suddenly come on & stay on?