Question about 1988 Nissan 300ZX

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I have a 1985 300zx with a digital dash & analog miles counter---the speedometer & all digital systems work fine,except now the miles aren`t calculating,nor does the digital gas counter work which is directly above the miles--the analog gas guage does work..we tried taking the cluster out to see if the gears had broken,but they are fine & the numbers move fine..i was told that there is a silver box somewhere under the dash that controls these parts..what i need to know is if this is true & if so where & what does it look like

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Vetsr,
I believe there is an "amplifier" box, as you described, for the digital dash, I think under the dash towards the center console. Check out http://www.z31.com/ or call your local Nissan parts counter for exact location.. They should be able to tell you.
I don't know about the miles counter. If your speedometer works, it shouldn't be the speedometer cable. Sorry I can't help you on that.
My parts counter guy has always been helpful in trying to troubleshoot many issues. At least you should know his name.
Also, check out your local Z club. http://zcca.org/ and maybe
http://www.zcar.com/forums/
Good luck and happy motoring,
AlwaysRight

Posted on Aug 15, 2008

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