hickish

If i was a betting man, i would say the horn contact, that makes contact with the ring on the steering wheel is worn down. That was the problem with mine. http://www.ebay.com/itm/TOYOTA-HORN-CONTACT-PLATE-OEM-84312-20011-NEW-/181209738158

Burbank, Ca. 1986 Toyota Dolphin model 500, high mileage, and plenty of cosmetic issues, but mechanically sound after entirely too much work/money. Our first RV, but we're hooked!