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speedometer failure

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Old Apr 5, 2006 | 07:52 PM
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speedometer failure
i have a 97 f250 heavy duty truck. the speedometer & oddometer will all of a sudden go out ,then the tranny will start miss shifting .sometimes the overdrive code light will start blinking. the code will be speed senser malfuntion,i allready replaced the speed senser a couple of times even solderd the connection .and had wiring checked. but when the speedometer goes out i can hit the dash and the speedometer will come back on then no more miss shifting till speedometer goes out again. can it be the instrument cluster or what ?????????????
 
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Old Apr 5, 2006 | 07:58 PM
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Hi whatzup and Welcome to FTE! Someone should be along to answer your question soon but I am thinking possibly a defective VSS (vehicle speed sensor). It is located on the top of the differential I believe.

See ya in the forums!

-Matt
 
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Old Apr 5, 2006 | 08:06 PM
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i have allready changed that a couple of times
 
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Old Apr 5, 2006 | 08:22 PM
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bigredtruckmi
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Hitting the dash - to me means a loose/corroded connector on the dash
 
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Old Apr 5, 2006 | 08:26 PM
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Originally Posted by whatzup
i have allready changed that a couple of times
DOH! Sorry, I read right over that! My bad.

-Matt
 
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Old Apr 5, 2006 | 10:12 PM
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Sounds like you have a wiring connection issue. Wiggle wires and connectors etc. Tough to find.

Dick
 
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Old Apr 6, 2006 | 09:25 AM
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I agree check for a loose or corroded connection
 
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Old Apr 6, 2006 | 08:55 PM
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so you dont think its the cluster?
 
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Old Jun 30, 2006 | 03:09 PM
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Originally Posted by whatzup
so you dont think its the cluster?
Is it fixed now and what did it end up being?
 
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