Durable Quality: This product is made of high-quality materials, the internal card core is easy to use, and the imported plastic shell and spark plug-type metal head are durable. Contains thick copper wire inside, well insulated for long-term use.
Excellent Function: The spark plug ignition tester can help you diagnose ignition, check engine problems, and troubleshoot defective cables and contacts quickly and easily without a trip to the repair shop, saving time and money. It can also check for bad problems such as spark plug connections, contacts, cables, etc.
Wide Application: This spark plug tester is an excellent engine diagnostic tool. It is suitable for all internal and external combustion engines such as cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, generators, etc.
Use Instructions: This product uses the spark plug engine ignition tester light display to determine which cylinder is causing the problem and to track down the identified cause. Remove the spark plug wires with the engine off. Connect the black connector to the spark plug and insert the metal end of the tester into the spark plug wire. After the engine starts, the light bulb will flash if the ignition circuit is connected.
Product List: The package includes 1 piece spark plug ignition tester. It has a metal tip size of 58mm/2.28" and a black wire length of 100mm/3.93". It is a must-have for personal and auto shops.
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