Multimeters can help beginners test comfortably without the need call an electrician. Here are the best automotive multimeters on Amazon. KAIWEETS Digital Multimeter with Case – $12.74 (27% off) ...

The Klein Tools MM300 multimeter also has a CAT III 600V safety rating, meaning it can measure up to 600 volts. Like the Cen-Tech offering, it meets all the very basic multimeter requirements ...

Touch the red test lead to that connection and the meter should again read slightly more than 12 volts. You’ve just proved that voltage is flowing through that cable.