I recently installed a sound system in my 2004 trailblazer. after the instillation, the remote open for my doors stopped working, but the lock still does. when you press to open, it beeps but the locks dont open. also on occasion the headlights will cut out for no reason and the car wont recognize when the driver door is open, example being you have to open the passenger door to get the radio to turn off after the keys are removed. any ideas on what the problems could be? i couldnt see it being fuses since some problems come and go.

 

Does anyone know anything about the dim lights or running lights not working or staying on when they are not suppose to

 

when someone removed the stereo they removed data loop from and to the computer
an aftermarket stereo does not restore the data stream