DUOYI
DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug
DUOYI DY28 Car Double Hole Spark Plug Tester, US Plug
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FAST DELIVERY to UK & 40+ countries.
Delivery: Typically 4-8 working days total including 1-3 days handling to the UK (estimated times for other locations shown at checkout)
Import duties and taxes may apply depending on destination. UK orders under £135 or less ship DDP with no extra charges at delivery. Orders over £135 may have import duties.
Ships from China. Your order will be processed and dispatched from the warehouse within 1–3 days if you order by 12 AM London.
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30-Day Money-Back Guarantee
Return unused items within 30 days (you pay return shipping). Faulty items covered, any costs to you will be refunded.
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Right Part Guarantee
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Trusted by DIY & repair professionals in 40+ countries
2. Adjustable double hole car spark plug tester detector Ignition Plug Analyzer Diagnostic Tool
3. Usage: Test spark plug performance and ignition strength
4. Application Range: 12V Gasoline vehicles car spark plugs
5. Car Spark Plug Tester User Manual:
(1). Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2
(2).Close up the protective cover , then plug in the adaptor to the side socket , connect the tester to power supply.
(3).Turn the key switch clockwise to turn on tester, indicator will light up green.
(4). Continue to turn the switch clockwise, you can adjust the working frequency between 1000rpm to 6000rpm/min, The higher the frequency is set, the stronger the spark more.
Guaranteed fit for device in the title. Wrong part? Full refund including shipping.
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