How did you hook up this Jensen? I assume it's a stereo receiver. Was the original Mustang AM/FM or AM/FM stereo?
The "new" Jensen must be stereo right? Did you connect the two outputs to the one dash speaker?
Is it an original type speaker?
My '64 1/2 vert. Ordered May '64. D code 4 speed, handling package, caspian blue, accent group, Ford blue manual top.
'68 vert. driver. Owned since '77. C code AT, AC, PS, P disc B, PT lime gold, standard black interior and top. NOS RF fender and left quarter.New top and folding glass.