i recently changed my bad 7 amp stator with a new 14 am stator for a 200 merc 1988 and i blew out a 15 amp fuse at WoT... its ok at low rpm .... so i tried a 20 amp and poof .... so i tried a 30 amp now its fine ......also my batteries were in need of a charge so the draw was real heavy ...im wondering if i can hurt the engine some how? i have alot of devices to power including a 800 watt stereo amp ... wha cha think?? anyone?