Car Spark Plug Ignition Testers Double Hole user manual

Car Spark Plug Ignition Testers Diagnostic Tool Double Hole

  • Usage: Test spark plug performance and ignition strength
  • Application Range: 12V Gasoline vehicles car spark plugs
  • Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile and if you suspect any spark plug works improperly you could compare and test to make accurate judgment.

1. Please Turn Off Power before you place spark plug
2. The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger.

How To Use Car Spark Plug Tester :
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.Connect to power supply
3.Turn the key switch 4 clockwise to turn on tester, indicator 3 will light up, tester is now working at 1000rpm/min.
4. Again turn the key switch 4 clockwise,you can adjust the working frequency between 1000rpm to 5000rpm/min.
The higher the frequency, the stronger the spark strength.

Package includes:
1pc x Spark plug tester
1pc x Power Adapter