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Hey Gang,

Just curious if anyone has had this problem? I have a 2014 Quattroporte GTS that has an intermittent problem where the third brake light in the rear window works for a couple of weeks and then just stops for a couple of days. Then out of nowhere it will start working again. I can't tell if this is a wiring issue or a bad fuse? I can't find a fuse diagram anywhere that shows the brake light location and don't want to spend a ton of time pulling each fuse and looking for a short. Any thoughts? Anyone have a fuse diagram for this car. I'm assuming that it's the same as the V6 model. Thanks in advance!

p.s. I can't even find a service manual for this year model that's not over $1000. All the pdf ones I've found stop at the 2012 model year.
 

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Did you try searching the fuse diagram online? I just googled it, and it seems to offer a lot of answers. I didn't take the time to take a more detailed look at each of them, but I'm sure at least one of them is the correct one. But I'm afraid that sounds more like a wiring issue. I had an F10 BMW a few years ago, and one the left brake light didn't work for about 4-5 months, and it started working out of nowhere. I later found the problem when installing the led car interior lights, but it was surprising that it "repaired itself."
 
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