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Old 05-17-2025, 05:40 PM   #1
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Default Testing a Tachometer
Can anybody tell me how to check connectivity in tachometer?
I need to know where it goes connected to
Thanks
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Old 05-17-2025, 09:55 PM   #2
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A tachometer has power 12 V positive and negative connections and sense which should be a gray wire that goes to the negative terminal on the ignition coil. This is actually a pulsed signal and not a solid negative.
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