This is my second posting about my rear demister on my Skoda Fabia Mk3. My rear demister hasn’t been working for some time and I’ve not been successful in identifying a broken wire. Now both licence plate lights are not illuminating. (Bulbs are okay and so are both fuses). Wiper and boot lock are okay.  I suspect a further wiring fault in the tailgate. Any tips on how I should investigate if a broken wire is not obvious at the hinge between main body and tailgate? Thanks