tach help/advice make waves instrument corporation super pro

RustyRatRod said

Sounds like you have it wired correctly. I would suspect a tachometer defect.

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i found their website but off to a grad party i will research it some more tomorrow and call them. it has a full lifetime warranty for ten years and was still new in the package

thanks so far


http://www.makewavesinstrumentcorp.com/