There are multiple different types of automotive fuses. Varying types and sizes will be needed for dealing with specific electrical equipment within the vehicle. For this reason, it is common for a single car to include many different types of fuses.

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Fuses are critical in any electrical system and are used to protect a circuit's cabling from excessive current that could lead to damage and, very often, an electrical fire. Excessive current is most likely to be caused by three things: Using the multimeter in continuity mode, simply attach the probes on either end of the fuse. This allows the device to conduct an electrical test and determine whether there is continuity throughout the fuse. If the multimeter displays a large resistance or signals an error message (depending on the specific type of multimeter), then the fuse is not connected and has most likely blown. If the visual inspection is inconclusive, use a multimeter to test whether the fuse is working or not

However, this usually occurs when you or your mechanic replaces a burnt fuse with a higher amp rating. How do you know if a 5 amp fuse is blown?

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If your car radio has stopped working, a blown fuse may be the cause. These steps will help you identify and replace a broken car radio fuse:Look at the readings and compare them. If you have different readings, you have a blown fuse that needs replacement. The same reading shows the fuse is okay. There are several types of fuse currently in use in the automotive market and the table below gives a brief description of each: Osuagwu Solomon is a certified mechanic with over a decade of experience in the mechanic garage, and he has over five years of experience in the writing industry. He started writing automotive articles to share his garage experience with car enthusiasts and armature mechanics.