To avoid blowing a fuse, destroying the multimeter, or risking injury, do not attempt to test current higher than the maximum allowed for your unit. Among other things, multimeters can determine: ...

For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

You can test your alternator, your battery, circuits, fuses, and all kinds of things with one. The problem is, people get confused on how to use a multimeter, and that's where I'm hoping to help.

Car batteries don't just die. Something is sucking up all its power. A parasitic draw test helps you find out which part is to blame.