Your 88 and 91 have the same A500 tranny. Not sure when the changed the
designations but the A500 designation was changed to 42RH but it's still the
same tranny.
Dave Clement
99 SLT+ CC 4x4
In article <43A7B2D0.70801@insightbb.com>, havenx@insightbb.com ("Daniel L.
Burrows") writes:
>
>
> So yea, I need to put a transmission in my 91 3.9 Dakota as my old one
> failed. My old transmission has first and reverse-not good. While it was
> in the process of breaking I only got second and sometimes third when
> the transmission got warmer. When it was cold I only got first and it
> took a few minutes for it to actually shift from park into first. I have
> an old 88 LE with a 3.9 in it and I think I am going to put that
> transmission in there as it is an OD transmission as well. I see no
> reason for it not to fit but maybe I am wrong. Before I do this swap I
> want to make sure I am correct. My thought is that the valve body in the
> transmission is not function. To be for sure there are a few things I
> need to know. Is a 91 3.9 Dakota transmission hydraulic or electronic? I
> always thought it was hydraulic with an electronic over drive. The
> reason I question this is because one person suggested that I put a
> speed sensor in it…. I do know that the speed sensor has a wire harness
> that connects to it but I thought it was for over drive, and that the
> other wire that connects to the transmission was for the neutral safety
> switch. I also recall that in the past, when I was in high school, that
> the speed sensor broke off as something in the road broke it off and the
> transmission still shifted…. Maybe the newer Dakotas have an electronic
> transmission? What do you guys think about all that?
>
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