Help.needed with reverse camera wiring

[ashman555]

Hi guys , I'm.after some advise ,I've fitted a reverse camera on my daughters a3 ,it's a aftermarket one . Can anyone tell.me where to wire the 12v feed to the reverse light thanks 

[joe6]

Only just seen this. Probably easiest route is the reversing light.

[ashman555]

Tried  its can bus so voltage is wrong 

[joe6]

You can buy 12v to 5v converters on the net for £5. Used them in the past for phone charging.