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Tachometer on a 1970 Cuda with rally dash

1970CUDAAAR

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My tach does not work - yes I have another tach. I would like the one in the car to work. I bought the following part from Year One:

Tachometer harness, Engine-side for 1970 E-body big-block models. Reproduction

do you think it will help? Any other suggtestions on how to fix the problem. Can this tach be refurbish?
 

Adam

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Do you have the tach hooked up to the negative side of the coil? Gray or white wire iirc.

I have replaced the guts in two tachs with the RTE kit, it’s an easy job and comes with good directions; and they are much more accurate than a factory tach.

Redline Gauge works takes a loooong time and will cost you much much more the the RTE kit.
 
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