Thanks everyone for both your answers and congrats, we had a wonderful weekend and I am now a married man
Yeah, my intention has always been to DIY as much as possible, and this one would have been in that scope for sure under different circumstances.
Nevertheless, as of pure luck i now notice that my ignition switch is failing, it cuts aux power if i dont turn the key backwards a bit after starting the engine... so as it has it I will be able to spend some time with a DIY with both cheap parts and loads of tutorials on this forum. Haha