Performing the Available Voltage test will indicate the state of charge of the battery. A proper car battery reading should be 12.6V - 13V when the engine is switched off.

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.

If you don’t see any coolant in the reservoir, or at the top of the radiator, add coolant to your system and run the vehicle ...

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 ...