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#1
01-17-2022, 12:12 PM
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Tachometer troubleshooting- aftermarket in 72 GTO
I have an aftermarket Sunpro tachometer on my 72 GTO, that has been working fine and suddenly stopped working. I was searching for the engine date code next to the distributor and may have affected some of the connections ? Any suggestions on how to troubleshoot, all fuses look good.
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#2
01-17-2022, 12:29 PM
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Bet you unplugged it at the distributor cap and there is a single wire hanging there by the cap next to the hot wire going to the distributor.
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#3
01-18-2022, 02:13 PM
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If your car still has the points distributor in it then your tach wire attaches to the neg side of your coil. If its been upgraded to hei then it attaches to the labeled tach side of the distributor cap.
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#4
01-18-2022, 02:15 PM
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Thank you for that information, I will check it.
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