So my passenger vehicle speaker blew out so I decided to replace both front speakers with aftermarket ones. I made adapters for both and the driver side works fine. The passenger side has no sound I can hear a slight buzz if I put my ear to it but nothing. I've swapped speakers and wires and still same issue. Anyone had this problem before? Any help would be appreciated.

 

Sounds like your amp has a bad channel. Amp issues are pretty common. I suggest you do some reading on replacement amps and head units.