You can easily tell if its blown the filament in it will break open.Also you can use a test lite on both side of the fuse if power is present on the fuse holder-the test light should lit if the fuse is good
Nov 10, 2008 at 4:58 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.