i have got a pace charge cooler with a uprated pump and a modified water bottle,with a alloy rad and a 13 inch kenlow hd fan which cuts in at 180 degrees which works brilliant the temp never changes,but when you switch the engine off and try to start it while the fan is still on the stater motor wont turn, i have got janos alternator set up with a bosh silver top battery whats the problem please and how can i sort it :