Remove the fuse and look at it. If you cannot tell if it is blown by looking at it then check it with an ohm meter.
Remove the fuse and check it with a ohm meter. If you have no ohm meter then just replace it with a new fuse.
Remove the fuse and check it with an ohm meter.
Test it with an ohm meter.
A relay does not have a fuse. The circuit for the particular relay is fused. You can tell if the fuse is blown by testing it with an ohm meter.
simply having a blown fuse would not cause the engine to run hot. But, it depends on what fuse is blown. a fuse blown for the cooling fans would make it run hot.
Not while it is in the fuse holder. Pull it out and if you cannot look and tell if it is blown or not, test it with an Ohm meter.
Put a continuity check on it. This can be done with an ohm meter. If there is no reading then the fuse is open.
Pull it out an look at it. Most of the time you can easily see it is blown. If not check it with an ohm meter.
Something won't work. One can test any fuse with a VOM (volt-ohm-meter) or DMM (digital multi-meter)
There are several things that can cause your speedometer to stop working. The most common cause is a blown fuse. The second most common cause is a malfunctioning speedometer cable.
Most common cause is a low refrigerant charge Could be a blown fuse