How To Create a 12V Line When The Ignition Is On on 2006 Audi A8 D3
![12V Relay](https://www.dognmonkey.com/audi/wp-content/uploads/z_12V-Relay-800x198.jpg)
So, I got tired of switching on and off my bluetooth and raspberry pie in the trunk, sometimes I forgot and both of them running all day, I created a 12V line today, only on when ignition is ON and off when the ignition is off. Just need a 12V relay – a fuse line …