Spark Plug Tester With Dual Testing Hole,automotive Dual Holes Spark Plug Tester
- Condition: New
Seller notes
How to use (easy test in four steps) Step 1 Please insert the spark plug into the socket ① or ②; Step 2 Cover the protective cover, insert the power adapter into the socket ⑦ on the right side of the product, and connect the external power supply; Step 3 Turn the knob switch ⑥ clockwise, the indicator light ⑤ will light up, and the high-voltage indicator lights ③ (corresponding to socket ①) and ④ (corresponding to socket ②) will also light up; Step 4 Continue to turn the knob s...
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