Check the listing for details. SPARK PLUG Tester In-Line Ignition System Coil Engine Auto Diagnostic Test Tools. Condition: New. Listed at 5.88 USD. SPARK PLUG Tester Ignition System Coil Engine In Line Auto Diagnostic Test Tools Description: Bulb Flashes when Circuit is Complete Quick and Easy Test to Help Check the Condition of the Ignition System at Each cylinder Essential for Trouble Shooting All Internals Test for No Spark Condition Easily Connects Between Spark Plug and Spark Plug Wire Flexible Wire to Connect Easy to Spark Plug Great for Finding Bad Cables, Dirty Spark Plug Connections, Connections, or Defective Points and More Test Methods: Turn off the engine and remove the spark plug coil Connect the tester black head to the spark plug Connect the tester metal end to the spark plug coil Start the engine If the ignition line is complete, the indicator light flashes Feature: Material: Metal Color: As picture shows Weight: 90 g wire length: 15cm lead length:65mm working voltage: 6 & 12 Volt Specifications: Bulb Flashes when Circuit is Complete Quick and Easy Test to Help Check the Condition of the Ignition System at Each cylinder Essential for Trouble Shooting All Internals Test for No Spark Condition Easily Connects Between Spark Plug and Spark Plug Wire Flexible Wire to Connect Easy to Spark Plug Great for Finding Bad Cables, Dirty Spark Plug Connections, Connections, or Defective Points and More Package Included: 1 x Spark plug tester Payment We accepted PayPal, Google Pay, Visa, Master Card, Amex, Discover. Shipping Handling time: 1 business day and 2 business day on weekend (Orders are not processed on holidays) It usually takes 3-7 business days for the delivery. Please make sure your address on eBay is matched with your shipping address before you pay. Returns and Replacement All returns accepted within 30 days after receiving the item, refund given as money back, item must be in original condition with original packaging. If you want a replacement, please contact us and give us more details about the problems. And then we will do our best to help you. Contact Us If you do have any questions or concerns, please feel free to contact via eBay's contact seller button. We will answer your email within 24 hours except Holidays, Saturday and Sunday. Feedback If you are satisfied with the product you received, please feel free to leave us positive ( + ) feedback. If you are not satisfied, please contact us before leaving any negative feedback or open any case on eBay or PayPal.