Tech Tip – Why Does My Lighter/Power Socket Fuse Keep Blowing On My Audi, BMW, Mercedes, Mini And Volvo

Question It's a question we hear often, "Why does my lighter/power outlet fuse blow when I plug in my cell phone adaptor?"To answer that, let's spend a few minutes reviewing the history of the ubiquitous lighter socket, now known as the "power outlet" in newer cars.History In the United States cigar lighters started appearing as standard equipment in automobiles in 1925/26. In newer cars, the socket often ships with a plastic dummy plug, without the lighter heating element due to declining popularity of smoking. However, the socket continues to exist to power consumer electronics in cars as the primary purpose.Why The [...]