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Discussion Starter #1
i dont know if this has anything to do with my engine or if it is a loose ground but my rpm gauge constantly jumps up and down even when the car isnt running,it can just be on accescories.
 

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I'd look into the wiring. I know when i helped install an aftermarket tach, when the coil wire lead was loose, the tach jumped around, but only when the car was on. With it doing it when the motor isn't running, i'm not sure. but the first thing i'd do would be make sure the connections are tight, and there are no wires that are half way in. That's caused me a couple headaches in the past.
 

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Yeah, umm.... I believe it might be. I didn't think about that. :monkey: I'm not sure if it is mechanical?
 

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Discussion Starter #5
what wires do i check to see if they are tight ???
where are they..
it is deffienetly electrical
 
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