The speed sensor is on top of the rear axle housing (the "pumpkin") and
was a PITA to change. When my truck had the same symptoms as yours,
replacing this sensor fixed it.
The instructions in this link fixed the problem for someone in a forum.
I don't think it will help you, but its worth a shot for free.
http://faq.dakota-truck.net/Electronics/recalibrate_instruments.html
I would double-check your work to make sure you replaced the sensor
correctly and did not damage it. When I took my old one out, it broke apart
coming out and I had to fish out plastic pieces from inside the rear until
the new one would seat correctly.
Hope this helps...
Doug Myers
'99 Dakota 360/5-speed/3.92SG
""Jerry Lee"" <jerry.429@charter.net> wrote in message
news:000001c45079$40270360$e1027244@jerryelo9sm6vk...
>
>
> I had a problem with my 1998 Sport that some told me was the rear wheel
> speed sensor. Friday I replaced that sensor. Now my speedometer doesn't
> work at all. Neither does the odometer. Also now the check engine light
> is on. The abs/brake lights go off when you start the motor but come
> back on later when driving. Anyone have any ideas, or do I need a trip
> to the dealers?
> Jerry
> 98 sport 2wd RC
> 3.9 5spd
>
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