Spark-Plug Tester

buy Spark-Plug Tester at JC Whitney

SPARKCHECK™ SPARK-PLUG TESTER A revolutionary new diagnostic tool that gives you a "window" inside each cylinder to let you "see" how each spark plug is firing under compression Can also be used to test distributor/rotor spark For all vehicles and tools with internal-combustion gas engines using spark plugs Unlike old-fashioned testers that measure KV Sparkcheck™ operates on the latest radio frequency (RF) technology to help you get to the heart of your problem faster. Powered by 2 AA batteries (not included). Simply turn it on. Bright LED readout flashes to indicate batteries are adequate for accurate testing. Clamp the rubber pick-up over any wire at any distance from the spark plug. If the plug misses the LED display will also miss. In memory mode tool will lock on and light up if plug sparked while you cranked engine�important if vehicle won't run and you're not sure if it's an ignition or fuel problem. Can be used on cars trucks cycles garden tractors boats chainsaws generators etc.