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Discussion Starter · #1 ·
Hi - afyer some simple help please.
My car: Audi A5 8T B8 model 2008.

I bought some LED bulbs to replace the rear tail light/brake light bulbs.

And of course I now get bulb error messages.

SO I bought OSRAM LEDriving Canbus Control Unit, LEDCBCTRL102, 21w,

BUT now I'm confused over which colour cables I need to connect the defeat to... brown is obs negative earth.. but the other cables are black with other colours.... which is the "live"?

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