{"product_id":"lyhlya-spark-plug-tester-kit-6-piece-ignition-coil-plug-tester-with-nickel-plated-shafts","title":"LYHLYA Spark Plug Tester Kit 6-Piece — Ignition Coil \u0026 Plug Tester with Nickel-Plated Shafts","description":"\u003cp\u003e\u003cstrong\u003eLYHLYA 6 Pcs Car Spark Plug Tester is a compact, durable ignition diagnostic kit that quickly verifies spark presence on spark plugs and coils for engines, motorcycles, lawn equipment and generators.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis six-piece set provides a straightforward way to check whether an ignition circuit is delivering spark without removing the plug from the engine. Each tester features a nickel-plated shaft, a replaceable clear housing with a long-life internal bulb, and insulated connectors designed for common small engines and automotive ignition systems. The probes are sized for reach and visibility, helping you identify faulty wires, coils, or spark plug problems faster than trial-and-error.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use the tester safely on my engine?\u003c\/h3\u003e\n\u003cp\u003eUsing the LYHLYA tester requires only a few careful steps: remove the ignition coil or plug lead, attach the insulated connector, and touch the metal probe to the coil output while the engine runs briefly. Always follow safety precautions—disconnect the battery when appropriate and keep hands clear of moving parts. The visible bulb will flash when spark is present, giving a clear pass\/fail indicator.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn engine off and access spark plug or coil wire\u003c\/li\u003e\n  \u003cli\u003eAttach the black insulated connector to the tester\u003c\/li\u003e\n  \u003cli\u003eTouch metal end to the coil\/plug output while engine cranks\u003c\/li\u003e\n  \u003cli\u003eObserve bulb flash to confirm ignition signal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of engines and machines will this test?\u003c\/h3\u003e\n\u003cp\u003eThe set is made for a wide range of internal combustion engines, from automotive ignition systems to small outdoor power equipment. Its straight-boot design and variety of probe lengths work well on cars, motorcycles, lawn mowers, chainsaws, trimmers, generators and other small engines. It’s a basic troubleshooting tool for both hobbyists and pros.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCars and light trucks for coil and plug checks\u003c\/li\u003e\n  \u003cli\u003eMotorcycles and ATVs with accessible plug leads\u003c\/li\u003e\n  \u003cli\u003eLawn mowers, trimmers, chainsaws and snow blowers\u003c\/li\u003e\n  \u003cli\u003ePortable generators and small engine fleets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build features and durability details?\u003c\/h3\u003e\n\u003cp\u003eEach tester uses a nickel-plated shaft for corrosion resistance and a replaceable clear housing that protects the internal bulb. The cable and shield lengths are optimized for reach: approximately 6 1\/4\" total shield\/cable and a 5\" shaft with light cover. The parts are intended for repeated use in workshop conditions, making them a practical diagnostic staple.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNickel-plated shafts resist rust and improve conductivity\u003c\/li\u003e\n  \u003cli\u003eReplaceable clear housing for long-term use\u003c\/li\u003e\n  \u003cli\u003eInternal bulb designed for extended life\u003c\/li\u003e\n  \u003cli\u003eSized for reach and visibility in engine compartments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I maintain these testers and replace parts?\u003c\/h3\u003e\n\u003cp\u003eMaintenance is minimal: keep the clear housing clean, inspect the insulation for cracks, and replace the bulb or housing if damaged. The modular design lets you swap the clear cover and bulb without discarding the whole probe. Store the set in a dry toolbox to prevent corrosion and prolong service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWipe clear housings to maintain visibility\u003c\/li\u003e\n  \u003cli\u003eCheck insulation and connectors before each use\u003c\/li\u003e\n  \u003cli\u003eReplace housing or bulb when worn or cracked\u003c\/li\u003e\n  \u003cli\u003eStore in dry, temperate conditions to avoid corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The LYHLYA 6-piece spark plug tester set is ideal for DIY mechanics, small engine technicians, automotive hobbyists and service shops that need a quick, visual way to confirm ignition signal continuity. If you troubleshoot multiple vehicle types or maintain outdoor equipment, this affordable diagnostic kit helps reduce diagnostic time and keeps repair work focused.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this tester on modern coil-on-plug systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes for many systems; it tests coil output but may need an adapter for some coil-on-plug designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the bulb or housing need regular replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace the clear housing or bulb if cracked or dim; otherwise they are designed for long service life.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LYHLYA","offers":[{"title":"Default Title","offer_id":67592548614329,"sku":"B09FFB6CMP","price":58.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/lyhlya-front-view-6-piece-spark-plug-tester-set.jpg?v=1790565490","url":"https:\/\/redleafauto.ca\/products\/lyhlya-spark-plug-tester-kit-6-piece-ignition-coil-plug-tester-with-nickel-plated-shafts","provider":"Redleaf Auto","version":"1.0","type":"link"}