Recent content by Sleddin650

Update: I sent the ECU to Mark at Wranglerfix. What I ultimately needed was to have Mark remove the 2004 Rubicon software and flash it with 2003 non-rubicon software with my original VIN. I just got around to reinstalling it.....BAM! Everything is working fantastic! Thank you Mark for such fast...

Wranglerfix - I sent an email on from the "contact us" portion of the website with your name attached. Since i don't have a paid account here I couldn't message you directly. No worries, I'm easy to get a hold of. LOL. I'd like to send it into you for reprogramming. Thanks again, you guys are...

mrblaine - You replied to a discussion someone else had that I chimed in on. I haven't had time to respond until now. Thank you for your help as well. Jerry was spot on with the Rubicon PCM being the issue. Per your answer I don't want to add a healer or anything else to the trans to compensate...

My apologies. I misunderstood what you were insinuating.

Update: I disconnected the speed sensor at the back of the transmission and now it runs great.....but now I have no speedometer. Anyone have any ideas?

Hey guys, hoping to bring this thread to life again. I have the exact same issue as irun where my speedometer goes to 95 and I can go past like 20 mph. I just replaced my non rubicon ecu with a rubicon ecu and this happened. I took the advice and disconnected the speed sensor at the trans and...

So I'm at a loss then. Can I not use the Rubicon ECU? Or would the Rubicon TCM fix this?

Hello everyone, This is my first thread and I want to first start by saying thank you for all of your other posts and explanations. I have learned a lot from reading these posts from this site. That's a major reason I joined. Now, my problem. I have a 2003 X (Non Rubi) 4.0 auto trans, no SKIM...