Your car has dozens of fuses in it, so what happens when one blows? Here's what those fuses do, how to tell of one goes, and if you can still drive your car.

Switch the multimeter to measure resistance at its lowest setting, and test across the fuse. A reading of OL, or significantly higher than 20 ohms, suggests the fuse is blown.

Where to find the fuse box in your car, how to determine if you've got a blown fuse, and everything else you need to know about car fuses ...