Quote:
Originally Posted by lkchris
Porsche bulbs are same as all German cars and are NOT "reverse polarity."
Center post is positive, side shell is negative.
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At least for the tail lights, I believe you are incorrect for our cars. The center post is negative and the side is positive. That is why most LEDs won't work
The shell side is what is switched and the center is common.
I have no idea if other German cars are the same
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2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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