For those who rely on their engines to get them where they need to go, a spark checker is an indispensable tool. The In-Line Ignition Spark Checker From Harbor Freight is designed to help you identify the problem that's preventing your spark from firing properly.
Measuring 6 inches in length and weighing about 3.5 ounces, this compact device is easy to use and maintain. Simply insert the spark plug into the ignition socket on your engine and twist it gently until a spark appears. This will allow you to visually inspect for any blockages or worn-out spark plugs.
The In-Line Ignition Spark Checker From Harbor Freight features a durable construction that can withstand high temperatures and frequent use. Its clear plastic casing provides an unobstructed view of the ignition system, making it easy to spot any issues with your engine's spark plug.
Whether you're a seasoned mechanic or just starting out, this spark checker is a valuable addition to your toolbox. With its simplicity and effectiveness, it's no wonder why Harbor Freight has made it a staple in many garages across the country.