How to Test Car Speaker Wire Polarity with Multimeter?

How to Test Car Speaker Wire Polarity with Multimeter?

The automotive audio system is often difficult to diagnose due to its difficult accessibility. How to test car speaker wire polarity with multimeter? Speaker wires are typically concealed in the engine bay, which means that panel removal and other parts are required, including gas tanks and brake lines. Most car audio loudspeakers are connected to…