We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

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.

Most multimeters today have an auto turn-off feature built in. There is enough space in a multimeter enclosure so why not to install a simple circuit that would take care of this? Figure 1 shows a ...