1Pcs Inline Spark Plug Tester for Cars, Motorcycles, and Lawn Mowers

Product Specifications:

• Material: Stainless steel + plastic
• Color: Black

Usage Instructions:

1. Turn off the engine and disconnect the spark plug wire.
2. Attach the black connector to the spark plug.
3. Insert the metal end of the tester into the spark plug wire.
4. Start the engine. If the bulb flickers, the ignition circuit is functioning properly.

Note: If the results are not accurate under bright lighting conditions, try testing in a dimmer environment. When the ignition spark reaches the cylinder, the tester's lamp will glow, reflecting the spark. The brightness of the lamp correlates with the number of sparks, indicating pulse and spark intensity.

High-Quality Material:

This spark tester features a high-quality electroplated shaft that resists rust and corrosion. It includes a rubber protective sheath and high-temperature resistant wire with excellent insulation, ensuring a tight bond to the connector. The lamp shell is crafted from eco-friendly acetate fiber plastic, which performs well even in low-temperature environments.

Quick Problem Diagnosis:

The spark tester is a valuable tool for quickly diagnosing ignition issues and detecting engine problems and defects. It can also check spark plug connections, contact points, cables, and other potential issues.

Easy to Use:

To use the spark plug tester, follow these steps: First, turn off the engine and remove the spark plug wire. Next, attach the black connector to the spark plug and insert the metal end of the tester into the spark plug wire. Start the engine. If the ignition circuit is complete, the bulb will flash, helping you identify which cylinder is causing the issue.

Wide Application:

This spark plug tester is versatile and suitable for various internal and external combustion engines. It can be used with cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, generators, and more. It is an essential tool for both personal use and automotive stores.

Premium Service:

Our spark plug ignition tester simplifies diagnosing ignition problems, checking engine issues, and identifying defective cables and contacts. Should you encounter any issues with the product, please contact us immediately, and we will make every effort to resolve the problem.

product information: