just went thru a sweep to ss gauge dash swap. It all worked the first time (well almost) when i powerwd it up. i have a new "american auto wire" harness through out the entire car. the quetion is, will the factory tach work with HEI. i have hooked everything up correctly, i have a complete circut from dist. to back of tach. the tach willl not work. do i have to have the tach upgraded or does it need repair?
took it for granted the tach worked. i took it back out of car and tested it, it failed. sending it out for repairs. thanks for the help!
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