hey guys, I got my green skoda favorit. After I replaced the radio tape, the new one worked but suddenly I lost the 12v coming from my battery. Now the brake lights don't turn on, the radio of course doesn't work, warning lights, salon light, basically everything that doesn't need full switch. The car itself starts, the head lights are ok, winkers, blinkers and fan. I didn't touch any wires except the ones that came out of the old radio, checked all fuses they good, maybe in the process I accidentally pulled out a wire. So what can I do? How can I locate which one?