Power for USB and vapor dash

Hi
Probably a stupid question, but my xr does not have indicators so I assume that the only item drawing power via the regulator/rectifier is the horn (which is broken).

So with that in mind could I spilce in at off the green and black (which I belive is +-) to charge a 12volt battery (in parallel) which in turn connects to the vapor and sub socket?

The reg/rec is the standard one with the capacitor.

Also do we require a horn to pass a MOT in the UK ?

Thanks

Andy

Should work fine, horn needed for MOT I have to fit 1 once a year which I connect to the kill switch....have to stall the bike to stop her lol

cool, thanks for that. Ill just connect a horn to the battery (i still have the standard switch gear) so wont have to stall the

This is my idea



Question is will the capacitor cause issues?

cheers