Hello, my first independent change to my Harley (in addition to Sissybar etc.) would be the installation of a USB port to charge my Navi. Alternatively, I will consider whether I should only connect the TomTom Rider cabling or connect the TomTom (if necessary) via USB. Regardless of this, however, a power supply has to be provided. In the TomTom and the USB port there are cables that go directly to the battery. So far ok, but I imagine that it is not so useful, since a USB jack permanently pulls power, although no quantities, but that’s not dead if you turn off the Harley.A few facts: Harley Sportster XL 1200 Custom from 2021 Connecting the battery for a charger I got the following USB jack from a friend:Motopower USB I got the following Navi:TomTom Rider What kind of procedure would be useful here? Wiring USB and TomTom? Only USB, that would make me more versatile. The Navi is not used for every journey. How can I make sure that the wiring is connected in such a way that the cable only gets power when the ignition is on? I have read that the Harleys should probably also have connections under the seat for accessories? Then I probably need other connections or? Maybe you can give a few tips. Would not like to commission this at a Harley workshop, which are anyway heavily used.