Hello, today i installed a backup cam in my 2004 coupe. its one of these where the rear mirror has a build in screen. the mirror has only a cigarette lighter cable for power. the data transfer is wireless.


where is the closest 12 V+ground cable near the rear mirror where i can split up the cigarette lighter cable and connect it to it?

12V. typo in title. sorry.

 

Up inside the dome light :

 

thank you for the fast reply! i opened up the dome and couldnt find any connectors with 3 pins.
do i need to move the garage door opener element before i can see it?

 

I'm not sure, been years since I did the autodim mirror.

 

i just needed to be patient. after searching for couple more second i found a black connector with 2 cables just like in your diagram. worked perfectly! thanks!