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Won't run if tach connect?

Gotcha - thanks all!

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https://www.classiczcars.com/forums/topic/67586-wont-run-if-tach-connect/

Captain Obvious

August 1, 20222 yr

If the blue wire is disconnected, the rest of the ignition module is just along for the ride. It'll still be reading the input signal and switching it's output stage, but that output stage will n
SteveJ

June 25, 20222 yr

That would indicate you're guessing wrong. If the resistor was removed from the tach circuit, there would probably be issues.
Zed Head

July 31, 20222 yr

Maybe somebody has been in there. Anyway, the old module should still be disconnected. Here's some reading. http://www.atlanticz.ca/zclub/techtips/wiringdiagrams/75_280z_wiring.pdf

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