camper

Haven't posted in years, but I'm hopefully acquiring a 19ft conversion van in the near future, and I was wondering if anyone has experience installing systems in RV's. I do have the benefit of a spare battery on board(though I don't know if it's useful in this application), as well as inverted...

ok so this isnt in a car but I installed a car stereo in my camper since it had no radio. the original dual head unit i put in was an old unit that used to be in one of my cars and it worked great. then i went to turn it on one time and got no sound. so i got a newer deck and installed it...