If your stereo goes dead, your turn signals don't blink, a light goes out, or some other gadget stops working, it's often just the result of a blown fuse.You can change fuses yourself, easily and with ...

There’s a problem with fuses. On the face of it, testing would seem to be a one-shot deal — exceed the rated current and see if it blows. But once you know the answer, the device is useless. If only ...