Turn signals and brake lights not working properly

[kcstreetracer]

Ok guys I've been chasing down this and wiring is not my strong suit. . I thought maybe it was bad connection on the column harness, I have a cheap aftermarket chrome column and the adapter didn't plug in snug, so I cut them off and wired with quick connects. Matched wires by color. Still nothing, However I get my right side flasher when the flasher knob is pressed. But no right signal when using the turn signal, or anything on the left side. And no brake lights. New brake switch.All the wiring is new plug and play aaw, new grounds, grounded the tail light buckets. Headlight and tail work. Any suggestions?