Question about 1989 GMC Sierra

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Gauges my speedometer works when I drive for a bit and then drops to zero. No lie I smack it and comes back up. Any advice?

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  • darius Jul 10, 2013

    thank you. I'll give it a shot.

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Lube the cable for speedometer first that the secret.However if your speedometer is electronic, the IC can be faulty, you need to replace it
God bless you

Posted on Jul 10, 2013

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