A lot of farmers buy a voltmeter but never gain confidence in how to use it. Here are the basics: Plug the red test lead into the “positive” test port. Plug the black test lead into the ...

A customer recently called to ask questions about the electrical system on his machine. I asked if he had a voltmeter. There was a long pause, then he said, “Yes, but I don’t know how to use it.” He ...

If your bike didn't start up this morning, or if you are simply wondering how to check the condition of your old battery before it gives out on you, the answer lies ahead. There are many ways to test ...

We may receive a commission on purchases made from links. Electrical diagnostic work is one of the most challenging parts of automotive repair. It can be incredibly daunting for beginners or DIY ...