Spark Plug Tester Detector Autos Automotive Ignition System Diagnostic Test Tool

Description

Specifications: Material: ABS + metal Color: Black Dimensions:As the picture shows Designed to prevent high energy sparks arching directly to any ground. Adjustable Coil Spark Plug Tester Ignition System Detector Autos Diagnostic Tool. Normal sparks of fire gauges as "purple blue and 2cm straight line," if the ignition coil is bad when the color is red or curve. Package included: 1xSpark Tester 1xGround Wire