Hi guys I have a 2002 Xterra. The 12v socket/cigarette lighter no longer functions. I have ensure it is plugged in properly on the back and that no fuses whatsoever are not the problem causing blown engine. I would like to replace the socket if I was 100% sure it is burned up, it had been working. The other 12v jacks such as under the console, behind console, and in cargo area, work fine. just not this one. Any troubleshooting tips? Thank you!