KZYEE KT60 Digital Timing Light, LED Display 12V Automotive Ignition Timing Light for 9V-16V Ignition System Strobe Lamp Detector, Portable Timing Check Auto Vehicle Motorcycle Marine Repair Tool. A: Only use timing light to test gasoline engine vehicles; The inductive clip should clamp on the NO.1 spark plug wire and the arrow should be pointing towards the spark plug; Check if the inductive clip is clamped in place (correctly).
