Hi, Can someone tell me what this is? It measures open circuit.

 

hi jdog,
It looks like one of these spark modules.??
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https://www.google.com/search?q=spa...w&biw=1456&bih=860&dpr=1#imgrc=2FWAvwh7AeZQdM

 

@ericgibbs Thank you!

 

hi,
If it is a spark module, it will read open circuit.
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