TMA62 Posted March 24, 2014 Report Share Posted March 24, 2014 The Tach sending unit on my 1971 Avanti is no longer working. So I began looking for another one. To my amazment, I have not come across any repros. It appears that no one makes Tach Sending units similar to those used by Stewart Warner. Avanti II used them and so did many muscle performance cars in the '60's. But no one makes them. You can get NOS units on Ebay for $200 plus. But there is no guarantee that they will work. What have you done with your tach sending units when then fail? Is there an equivalent out there that would do the job of a Stewart Warner 990b? Thanks in advance for any info that you can share. Link to comment Share on other sites More sharing options...
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