Test & Diagnostic

Volkswagen diagnostic tools from JC Whitney help you pinpoint and solve engine, ignition and mechanical automotive problems. Perform state of charge, battery load, starter and charging system tests on your Volkswagen with battery load testers. Browse through our assortment of ignition diagnostic tools that include short circuit finders, spark plug testers and LED circuit testers.

Spot your Volkswagen’s mechanical/electrical problems easily and accurately with infrared thermometers and indoor/outdoor thermometers from our collection. You can also choose digital multimeters, starter switches, portable refractometer, digital volt meters and spark plug testers from our vast collection of diagnostic tools. Pick testing and diagnostic tools for your Volkswagen from big wigs like Actron® and Extech Instruments.