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Hey GN family, I need some help figuring out a problem with my tack/boost gauge.. As soon as I start engine, rpms goes in the red and stays there boost doesnt do right either, So I changed gauge does the same thing.. anybody else had this problem? by the way its a 1987 buick gn,,, thanks Gary
 

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Both are pretty much useless...and are there for show.
 

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I did replace the gauge with a used one, low mileage car... any ideas on how to fix the problem
This may be a long shot but, disconnect the cigarette lighter and see what happens. The GN's cigarette lighters are notorious for causing electrical problems with the dashboards and interior lights. My cigarette lighter shorted out and caused all kinds of problems and others have had the same lighter issues. If it turns out to be the lighter keep it unplugged until you could get a replacement. good luck
 

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Hey, Thanks for the info. Iam going to ship my gauge to them and let capers recalibrate it
John's a great guy...and his products are top notch.
 
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