Passenger window help

[Ericfuegen]

Okay for some reason my passenger side window won't roll up. I checked all fuses and replaced all bad fuses, I also bought a whole new regulator because I thought the motor was bad but that wasn't it either. Does anyone have any ideas what might be my problem? I used a test light, the plug that goes into the switch has power, one port lights up... So lost, thanks for reading