If its not humming open your glovebox and there will be 3 relays if i remember correctly its the first realy the one closest to the steering wheel just switch it with the middle one with is the horn if you turn the key and still hear no humming there are 2 wires that have to be grounded it should be a black and a white one email me at
slammed97dime@theslipstream.net if this dosent work