All technicians are aware that the scan tool holds the No. 1 priority in our initial diagnostic strategies. In my personal experience, the No. 2 tool in diagnostics is the DVOM, known as the digital volt-ohm meter or multimeter. In the event of an electrical problem, the DVOM is the essential tool.

With the ever increasing technology on today’s vehicles comes with ever increasing electrical demands.  You would think that electrical failures would be more prevalent than ever on today’s vehicles.