: A healthy resting battery should read 12.6V to 12.8V . If it drops below 10V during engine cranking, it may need replacement. 3. Resistance & Continuity Testing Use this mode to check for broken wires or faulty switches: Multimeter basics for automotive use | Hagerty DIY

: Includes a "Record Mode" and supports accessories like an RPM pickup probe and temperature sensors.

: Tests AC/DC voltage, continuity, resistance, and amperage.

: Housed in a rugged rubber boot to survive impacts in shop environments.