So I've got a Radiomobile Cd / AUX radio that I've fitted to my starlet, I used one of these harnesses from ebay to put it in( http://www.ebay.co.uk/itm/150672056458?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 ) But its only working in the drivers side speaker but its also crackling and makin...