12v Car Tester Auto Ignition Spark Plug Coil Test Pen Detector Diagnostic Tools
- Condition: New
Seller notes
Product Description Features:This product can be used to test spark plugs, coils and distributors in two places, the electronic ignition system and the circuit breaker.The grooved end makes the contact area between the wire and the instrument larger.High-brightness bulbs and the transparent observation windows make test results easier to observe.When the engine is started, place the grooved end of the instrument on the spark plug wire.If the bulb flashes, the spark plug wire is transmitting the ...
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