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speedo gauge pegs out! whats wrong?

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Old May 14, 2013 | 07:58 PM
  #1  
welterracer's Avatar
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Joined: Sep 2005
Posts: 91
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From: Wisconsin
Car: 1991 Camaro RS convertible
Engine: 305 Tb
Transmission: 5 spd soon to be T56 6 speed
Axle/Gears: 3.08 soon to be 4.56
speedo gauge pegs out! whats wrong?

Bought my 91 Camaro recently and the speedo did not work.. it stayed pegged at 7000 rpm..

Went on eBay and bought a used gauge cluster.. installed the RPM gauge from that cluster into my old cluster..

Started the car up the gauge was at 0 and went directly to 7000 once the engine started

what else on these cars go bad?
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Old May 15, 2013 | 11:25 AM
  #2  
jay83z28's Avatar
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Joined: Jun 2012
Posts: 6
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From: Long Island, New York
Car: 1983 Camaro Z28
Engine: 5.0L V8 Carb
Transmission: 700-R4
Axle/Gears: 3.23
Re: speedo gauge pegs out! whats wrong?

First of all it's your tach that has a problem, not your speedo. Second, the most likely cause would be the engine speed sensor. I'm pretty sure it's connected to your distributor cap, so check that. If that's ok, then you probably have a grounded wire.
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