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Amazon is selling this Blackhawk Tools Spark Test Screwdriver for $6.12.¬† You test your spark plugs by bringing the screwdriver close to the wire while the engine’s running¬†and seeing if the neon bulb glows.

Via Amazon [What’s This?]
Street Pricing [Google]

 

One Response to Dealmonger: Spark Plug Testing Screwdriver $6

  1. ambush says:

    You can always pull the wire and stick and screwdriver in the end(and near ground unless you want to be the ground) but to be fair I have a similar thing with a clip that goes to ground and a little probe.
    http://www.lislecorp.com/tool_detail.cfm?detail=381

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