Join Date: Mar 2011
Location: Thunder Bay Ontario
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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,
2003 F250 SD 4x4 3.73 SCSB VE powered 12 valve Cummins
, lots of motor power ups, NADP Heavy Hauler 4R100, PCS Controller, 4" Lift, 35" BFG MT. Somewhere north of 400hp