A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

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.

With an included test lead set, the Fluke 117 multimeter costs nearly $300, which isn't cheap, but this tool is loaded with features and should last for many years, even under difficult conditions.

There are ports on the scanner's body for the OBD-II cable and multimeter test leads as well as a 5-volt input for charging the AL539's battery. The device has a mini-USB plug for connecting to a ...