Car Adjustable Spark Plug Tester Ignition System Coil Tester Auto Coil Diagnostic Test Tool

Feature: Tests Ignition Coils, Plug Wires & Spark Plugs :Identifies weak/sporadic sparks in seconds. 0–40kV Visible Scale :High-contrast white markings let you read spark gap strength clearly, even in low light. Works on Cars, Motorcycles & Small Engines :Standard plug wire tip unscrews for compact engine testing. Shielded Alligator Clip :Securely attaches to ground, preventing false readings. Rotary Gap Knob :Easily adjust the spark gap to simulate engine load conditions. Spark Color & Distance Analysis :Blue spark = healthy ignition; weak/yellow sparks indicate coil/wire issues. Fire-Resistant Design :Prevents coil burnouts or accidental shorts during testing. Specification: Total Length:11cm/4.33inch Cable Length:52cm/20.47inch. Material:ABS + Metal Color:Black+Red Size:25.4cm/10inch x 7.3cm/2.87inch. Package Included: 1 x Car Ignition Coil Tester NO Retail Box. Packed Safely in Bubble Bag.