Mastering the Multimeter: The Essential Tool for Automotive Electrical Diagnostics

Electrical issues can be the most frustrating part of car repair. A simple $20 multimeter is the key to solving them.

Why You Need a Multimeter

Whether it is checking a battery, testing a fuse, or diagnosing a bad alternator, a multimeter gives you eyes into the electrical system.

Voltage vs. Resistance

Learn the difference between checking for 12V power (Voltage) and checking for continuity or bad sensors (Ohms/Resistance). Never guess again.