mery pass mehran car hai kuch din pehly meri car tape nai chal rahi tape check krwai to thek hai ab problme kaya hai pata nai han aur roop light bi dim chalt rahi hai kisi bahi to pata problem ka to bata dian
Change the roof light with LED once...
and check tape wiring ..
most definitely wiring problem, check for short circuits, also what's the condition of your battery?