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: ...

If you have a box of old bulbs in unknown conditions, use your multimeter to test which ones are good and which ones are blown. Confirm your meter is set in continuity test mode (see step 2) and ...

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.