Re: Sun Tach Problem
Have you checked the running voltage and the cranking voltage at the coil neg terminal? When i had the defective wiring harness that was missing the resistor wire, it put out way too much voltage when running and burned out the factory tachometer (14 volts when running). There should be 12 volts when cranking and 9 volts when running.
Make sure you're not just chasing a symptom instead of fixing the problem.
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