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Pyrometer Jumping?

9934 Views 10 Replies 7 Participants Last post by  Blackcloud2k
Hey I got a question, I helped a buddy install his gauges on Thursday. Today his pyrometer needle started jumping around, back and forth.

Is that a ground issue? Or something else? I'm just trying track down the problem before I tear into it to fix it.
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could be a ground, could be the gauge. my autometer does this - second z-series pyro i've had. replaced it and worked fine for awhile, now it does this and i know for a fact it's reading high. if it's an autometer, call them they'll probably replace it, that's what they did with mine.
then i would do as the others suggested. the only reason i mentioned the autometer is because i believe they recalled some of their pyros. hope you get it ironed out!
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