Description

The Micro-Tec Spark Plug Wire Tester is a fast, reliable diagnostic tool designed to quickly identify faulty or damaged spark plug wires — even in hard-to-reach engine bays. The built-in indicator light flashes to confirm a healthy ignition signal, helping technicians instantly pinpoint misfires, weak spark issues, and wiring faults that affect engine performance, fuel economy, and emissions. With an insulated grip that prevents spark jump and an attached ground wire for stable testing, this tool is safe, convenient, and essential for every automotive workshop or mobile mechanic.