old subject -same problem

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fdh - 18 Aug 2006 23:38 GMT

recently read an old posting about a 99 Dodge 1500-- 318--auto--4-wd,so here
we go>

>abs light is on,
>brake light is on
>speedometer wont register till about 30mph
>and idles poorly
>now i have already checked basic connections,
>installed a new ops and a new pcm
>did i miss somthing?

oh yea somtimes at acceleration the trans. feels jerky,
Any Ideas? the old posting that I read did'nt post the end results.
Thanks in advance

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Greg Surratt - 19 Aug 2006 10:54 GMT

>recently read an old posting about a 99 Dodge 1500-- 318--auto--4-wd,so here
>we go>
[quoted text clipped - 8 lines]
> Any Ideas? the old posting that I read did'nt post the end results.
> Thanks in advance

Rear wheel speed sensor on the top of the rear axle. $30 -$50 at your
local dealership, about 10 minutes to replace it. Hardest part is
getting the old one out. Don't try to bend it out, just twist it. New
one goes in easily, make sure it's seated all the way. Put the clamp
back on, plug in the wire harness. You won't need to disconnect the
battery since this is a "soft" fail and the codes will reset when you
start the truck if you've done it right.

BTDT

Greg

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dirtclod - 19 Aug 2006 19:08 GMT

I had some of the same problems and it was the output speed sensor on
the side of the tranny of my 2000 2500 4wd. $35.00 @ the dealership .
unscrew the old and in with the new. By the way this will throw a
code---P0720.

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fdh - 20 Aug 2006 23:58 GMT

Did'nt show any trouble codes but I will check the ohms on the sensor.Thanks

>I had some of the same problems and it was the output speed sensor on
>the side of the tranny of my 2000 2500 4wd. $35.00 @ the dealership .
>unscrew the old and in with the new. By the way this will throw a
>code---P0720.

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