2010 Ford Mustang Fuse Diagram — Ricks Free Auto Repair 2010 Ford Mustang Fuse Diagram 2010 Ford Mustang Fuse Diagram Ford Mustang Fuse Diagram for Battery Junction Box and Smart Junction Box. This 2010 Ford Mustang Fuse Box Layout post shows two fuse boxes; the Battery Junction Box/Power Distribution Box located under the hood and the Smart Junction Box/Passenger Compartment Fuse Panel SOLVED: Where is the blower motor fuse for a 2010 mustang Oct 31, 2017F4 30 amp under hood fuse box , F45 5amp - smart junction box ( passenger compartment fuse box ) right or left kick panel probably . Also ,there is a blower motor relay - under hood fuse box. You can check those but don't think it would be one of those . More then likely it's the blower motor speed controller .