Test & Diagnostic

Sport Compact diagnostic tools from JC Whitney make it easy to diagnose and repair automotive problems yourself. Perform state of charge, battery load, starter and charging system tests on your Sport Compact with battery load testers. Pinpoint your Sport Compact’s engine problems immediately, read latest codes from your Sport Compact’s computer and make your own repairs with computer code readers and scanners.

Browse through our vast collection of ignition diagnostic tools that include digital voltmeters, short circuit finders, spark-plug testers and mini circuit testers. Spot your Sport Compact’s mechanical/electrical problems easily and accurately with infrared thermometers and indoor/outdoor thermometers from our collection. Pick these testing and diagnostic tools for your Sport Compact from top brands like Extech Instruments, OTC and Innova®.