Whelen 295HFSA1 to horn ring?


New Member
Jun 25, 2010
USA, Vermont
Hello, I have a whelen 295hfsa1 siren, I am trying to hook it up to my horn ring for hands free in my 2006 silverado. I can not find the correct way to connect the siren to the horn. Does any one know how to correctly do this, there is a black wire and green wire to the horns, I have tried connecting and splicing to both of these, but every time I turn the siren on, it will automitically activate... Does anyone know how to correct this?

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