We have all had difficulty testing diodes in-circuit. Most DMM’s have a diode Vf function that measures forward drop, but what is the normal voltage drop? Analog VOM’s attempt to measure resistance of ...

Snap-on’s new EECT900 Multi-Probe Ultra features a circuit tester and digital multimeter in one handheld device for testing AC and DC voltage, resistance, and amperage. A rear-facing LCD navigation ...

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

Modern digital multimeters (DMMs) are user-friendly, accurate, and safe — when used correctly! Reading voltage is simple, but measurements must be properly interpreted. With a clamp-on DMM, accurate ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

Whether you’re an electronics hobbyist or involved in cutting-edge new product design, it’s essential that you have the right test equipment. Most test benches contain a range of testing equipment ...

Branch circuit wiring problems lead to more residential electrical fires than any other single cause. Hidden trouble inside a branch circuit can also lead to electrocutions and the failure of ...

One of the most frustrating issues for any Pontiac owner is an electrical problem, especially one that drains the battery. You didn't leave the headlights on or the door open, so why is the Pontiac ...