Practical Diagnostic Tool: Quickly diagnose ignition, engine problems, and defects in small engines and vehicles. Spark plug tester tool ideal for troubleshooting spark plug connections, contact points, and defective cables
High Quality Material: Spark tester small engine mades with rubber sheath, high-quality high-temperature-resistant wire, and eco-friendly acetate fiber plastic. Works in high and low temperatures
Easy to Use: 1. Remove spark plug wire with engine off. 2. Attach black connector to spark plug. 3. Insert metal end of ignition coil tester into spark plug wire. 4. Start engine. (If ignition circuit is complete, bulb will flash.)
Transparent Design: Spark plug tester for small engines has replaceable transparent housing, well-insulated wires, and bright light visible in daylight. Saves diagnostic time
Wide Application: Spark plug test light perfect for all combustion engines, cars, trucks, motorcycles, lawnmowers, chainsaws, trimmers, snow-blowers, generators, etc. Ideal for individuals, mechanics, garages, and auto shops