Having finally wired up my retrofitted heated leather seats I thought I’d put some info on the forum so it may help others.   I’d like to sincerely thank jackfrost & JohnnyType2 who offered great advice, helping a complete electrical novice to figure this out. To do the retrofit you will need: 1.   Leather seat interior (eBay £300-£500). If like me you are changing a half leather vRS interior make sure you get all the trims if changing colour (I went from silver to