98 Dodge Ram w/code 0720

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olemantx - 03 Jun 2005 02:24 GMT

I have a 98 1500 1/2 ton 2wd with the 5.9L 360ci
My check engine light came on last week and I
pulled up code 0720. According to my manual and the code reader it is a
"output speed sensor circuit malfuntion". Where would be a good starting
point to find my problem. The book says theres a sensor above the harmonic
balance but then states its on a diesel?
Thanks,
Lost and needing help

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J Drum - 07 Jun 2005 00:16 GMT

Just replace the output speed sensor. It's a common problem. Take ya 5
minutes. It's threaded into the side of the transmission, I believe on the
driver's side. You'll need a 1" wrench.

> I have a 98 1500 1/2 ton 2wd with the 5.9L 360ci
> My check engine light came on last week and I
[quoted text clipped - 4 lines]
> Thanks,
> Lost and needing help

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mickey_kcyzrap - 21 Aug 2005 03:36 GMT

"" wrote:

> Just replace the output speed sensor. It's a common problem.
> Take ya 5
[quoted text clipped - 13 lines]
> > Thanks,
> > Lost and needing help

I have the same code in my 98 dodge. Thank you for the information
about finding the sensor. How do you reset the computer? I was
reading in the Hayes repair manual that on 98 models and later that
you can not disconect the battery terminal to reset the computer?
Please advise.

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