C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

RPM guage not working

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Old Sep 27, 2002 | 11:23 AM
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Default RPM guage not working

Finally got the car back. Needs a little tweaking but just glad to have it back for now. Had the intake manifold gaskets replaced and some other stuff and also put a dash cluster out of an 84 into my 86, now the RPM guage is not working. I haven't had a chance to look at it, prob. going to do it this weekend, just looking for opinions on where to start, like where is the plug and wire under the hood. I wouldn't think that it is the difference in clusters but what do you guys think?

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Old Sep 27, 2002 | 11:33 AM
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I bet you did the same thing I did the 1st time I put my new manifold on. I pinched the Tachometer Singal wire that goes from the distributor to the tach filter, to the computer. It is the brown single wire connector that connects on the outter/left terminal on the distributor. It goes down to your bell housing where the tach filter is mounted on a small tab on the bell housing, and then to your ECM.
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