...REPLACED IT WITH THE 10 AMP F? 98 FORD WINDSTAR HEATER NOT WORKING REPLACED THE 10 AMP FUSE, WORKED FOR 10 MIN. AND FUSE BLEW AGAIN WHAT CAN BE THE PROBLEM
Check the connector at the fan, the fan switch and the resistor. I'll bet you find one of them is melted. If you find a melted connector, also replace the component that it plugs into.