4 Lo does not work, 4 Hi does. - Ford Powerstroke Diesel Forum
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Old 05-11-2011, 08:39 AM
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4 Lo does not work, 4 Hi does.

First you'll have to forgive me here, I don't know a lot about these trucks yet. It's the truck in my sig. It was a 7.3L PS before it had the cummins stuffed in there.

Title says it all. I got the on the fly knob shifter. It will shift in to 4 Hi fine, but it will not shift in to 4 Lo. When I try to shift it in to 4 Lo, it just goes in to 4 Hi, as far as I can tell.

I took it through the mud on the weekend and according to the dash lights, it went in to 4Lo. I wasn't paying attention enough to actuallly notice if it was 4 lo or 4 hi (and yes, I know that sounds rather pathetic, but I was more focused on not getting stuck)

When I try to shift it in to 4LO, I put the trans in neutral, make sure the truck is not moving and then shift it to 4LO with the shifter knob.

I pulled the electrical connections on the tcase and cleaned them and put dielectric grease on them. they looked fine.


Thanks in advance,

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