Hey all, Still trying to work out this shifting problem with my friend's W250 A518. We've adjusted the TPS and the TV cable numerous times and it always helps for a little while (cures the constant up and downshifting between 3rd and 4th). But, after awhile it always starts acting up again. I saw in somebody's signature one time that they had "bypassed" their TPS. Is this just referring to installing a potentiometer? Or did they really bypass it, as in get rid of it. Don't want to spend $230 on a new one. The PO had it replaced once as we can see the wires have been spliced and the original is in the glove box. Thanks in advance.
Dan

 

I used https://www.dieseltruckresource.com/...d.php?t=142641when I did mine a while back.

 

Bad link. Try again please?

 

Ooops, go to the sticky at the top of the first gen page then scroll down to electrical.

I fixed the link too.

 

I did the potentiometer install on mine to get rid of the dropping out of od randomly on the highway. I was having to adjust the TPS every couple of months too, so far this has cured it.

 

Dan I think that was probably my sig.. and I "by-passed it" by installing the POT...probably need to change that sig huh?