I’m about to buy a digital multimeter to troubleshoot all sorts of electrical issues around my home. I’ll be blunt. Do you own one? If so, which one? What do you like about the one you have? There ...

Multimeters seem simple enough to use. You turn it on, connect the leads, then start poking things. Really though, there’s a quite a bit going on in a multimeter and a lot of different settings to get ...

If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, ...

Hi everyone, Randy here again. I guess I'm not screwing up as bad as I thought because those magazine editors keep asking me to write another column. They said as long as I have something to talk ...

I'm having problem with a starter motor on a riding mower, and need to check if the motor is getting juice and not working or if something else isn't working and no juice is getting to the starter.

All, I posted this at DIYMA, and didn't get too may helpful responses, so figured I'd ask the Hive Mind. Back in the '90s, I used to set amp gains by turning the level pot all the way up and then ...

MAKE A LIST: Establishing a routine and consistently working through it like a checklist is one way that technicians can improve their troubleshooting. January 28, 2019 Making the correct diagnosis ...

How does a tech know the a/c compressor he or she is diagnosing is actually failed and that the problem is not a crankcase heater, condenser fan, or rubbed out wire? According to the contractors The ...