Spark Ignition Tester Pen, Car Wires Coil Detection Tool for Electronic Ignition System and Circuit Breaker, High-Light Vehicles Faults Diagnostic Tool, for Most Cars (Transparent) sold2022 Fit for socket 921

Fit for socket 921

Designed to be extremely easy to terminate

including permanent ODO (total distance) recording with auto-save upon engine shutdown

Compatible Vehicle: 1999-2013 Chevy Silverado / GMC Sierra 1500 2500 3500

package height :24

Spark Ignition Tester Pen, Car Wires Coil Detection Tool for Electronic Ignition System and Circuit Breaker, High-Light Vehicles Faults Diagnostic Tool, for Most Cars (Transparent) sold2022 Fit for socket 921Spark Ignition Tester Pen, Car Wires Coil Detection Tool for Electronic Ignition System and Circuit Breaker, High Light Vehicles Faults Diagnostic Tool, for Most Cars (Transparent) 1. This spark ignition tester pen can test whether spark plugs, coils, etc., are functioning normally to ensure safety. 2. This spark ignition tester pen features a grooved tip, a high brightness bulb, and a portable pen clip with a waterproof housing, ensuring precise and