Question about 1997 GMC Sierra

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Tack and speedomitor spike up together when I start the engine.I just changed engine

When fired the speedomitor rises uo to 20 per hour.the tack and speed gage go up the same like they are hooked together

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Check ground wire to back of engine from body to back of passenger side head. also mack sure the one from frame to body is good this is a braided strap and they corrod and get weak and crack or break.

Posted on Nov 30, 2014

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I would check the ground wire on the engine.

Posted on Nov 26, 2014


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Ten miles is about the correct distance for a car engine to reach normal operating temperature. If your temperature gauge continues to rise beyond normal overheating .. you risk causing a lot of damage to your engine.

If you're not sure what to do or look for - get somebody to check it out for you

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