Quote:
Originally Posted by jdfdj
Or I was thinking about this as another option:
Get a relay and connect it by the driver's tail light. It would have 4 wires coming into it:
1.) + cable from the fuse box (something that is only on when the car is on)
2.) + cable from reverse light
3.) - cable from reverse light
4.) + cable going to backup camera
Then I would just need to connect the backup camera ground to the chassis.
Am I overthinking it?
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That should work..... If you are using a relay however, you can just tap into 12V power directly from the battery terminal and add an inline fuse. Then you don't even have to mess with the fuse block, which would be my preference.
Google BMW relay backup camera and there are quite a few examples.