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Re: 1990 454SS tach
ChevyTech,
First of all thanks for hanging in there with me on this. Yes, on my 90 plug the B15 slot is a black ground wire. I have moved it to B11, that makes sense I believe. I will run a lead from the coil to B15 and hope the tach works. I will let you know tomorrow, I hope. Its awful hot in SW Florida now and working on the truck has become outside temperature sensitive. Thanks again. Scott
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