Right troops changed my alternator today , because my batt light was staying on when ignition was off so therefore killing my draining my batt in process , so cleaned my cables reconnected new alternator and went a drive for about 30 mins came back and damm lights still on checked blue wire connection on alternator and all semms ok , its not falling off or anything , so anyway where does this wire go to from alternator could there be a break in cable ? , fuse ?? any help appreciated guys its doing my head in now or anyway of testing it would be good or could there be a break in red wires ???