[Ed,s 66 bird]

Hi guys I got my horn problem fixed.Thanks to you guys .Now if someone could help with my 4way flashers ? 1st of all is there 2 seperate flashers? I have one with 4 wires and one with 3 wires I think .I have power going in nothing coming out of these flashers .All my turning signals work and all ground are good but no flashers HELP Thanks Ed.