tachometer help

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07-09-11, 05:44 PM

football43064

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tachometer help

Hey does anyone know where the tachometer ground is in a 85 gsl ? the tachometer is going hay wire, turning off/on constantly. The info will be a big help. Instead of tracing wires.

Last edited by mazdaverx713b; 07-10-11 at 06:05 AM.

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07-10-11, 12:21 AM

Mr_Miles

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sometimes if you have a bad connection on the coils / ignition the the tach will go batshit randomly. give everything a once over up there, also.

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07-10-11, 06:05 AM

mazdaverx713b

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edited to reflect correct diagnosis based on correct parts description.

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07-13-11, 09:31 AM

82transam

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Is your car stock? have you changed anything on the ignition? As Mr Miles said, a lot of times the problem is at the coils, not the gauge itself...

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07-14-11, 03:47 PM

football43064

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It. Is all stock.

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