hi all. i have a 1994, ex cab, 351, auto, 4x4. problem is somewhat simple. every thing will be normal, and then at any time running down the road the numbers on my odometer will go blank, when it does that it goes to shifting like it has a kit in it. i mean it will really hit hard. it will do that for however long it feels like, as soon as the numbers on the odometer come back on it goes right back to shifting like it is suposed to. surely someone has run into this problem before. any help will be greatly appreciated.
thnx
nathan

 

Speed sensor in the rear diff...



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