Is it the round Jensen like I have? On mine, the "Jensen" logo at the top is the power button. My button glows a soft red at night when the radio is off.
Ray
__________________
2020 Georgetown GT5 34H5
2020 Equinox Premier AWD 2.0L/9-speed
I would check your fuses in the house battery compartment. There will be a separate yellow wire as well as red wire each will have an 15 AMP fuse to power the exterior radio. Make sure the fuses are good. Sorry I don't have any pics! Hope this helps