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  1. 3rd Gen. Powertrain
    2008 6.7 Cummins Hi, relatively new to the 6.7 and Chrysler. My serpentine belt blew off recently and broke the CPS. After replacing both I started it up and Noticed the water pump would also need replacing. After replacing the waterpump It started up again fine and I let it Idle up to...
  2. 3rd Gen. Non-Powertrain
    My main question: Is it possible To have random grounding issues from the pcm? OR do I have a grounding problem elsewhere? My past experiences with ECM/PCM's have always been, all or nothing... This week's issue: Intermittent and/or dead throttle response. Codes 2127, 2121. Installed and...
  3. 98.5-02 Non-Powertrain
    I know, I know, check the vacuum lines. I did, they’re fine. Let me explain. I’m working on my 1998.5 ram 2500 dually 4x4 auto (yes, a 2500 dually, someone swapped it) trying to get cruise control to work. I cannot get a cruise control light to come on. when I cycle the key on, the cruise...
  4. 98.5-02 Non-Powertrain
    Hey y’all, my trucks been having a list of problems lately, and I need some advice. Since I bought the truck, it has not started until the WTS light turned off, since then, the WTS light no longer turns on, the truck starts hard and puffs white, cruise control does not turn on, and the...
  5. 2010-2012 Non-Powertrain
    All, As you can tell by my title of my post, I’m having a rough bit of luck with my truck. Two months ago, my truck, a 2011 Ram 3500) unexpectedly quit after driving a 3 hour trip. Truck ran fine until I parked it for the night. Went outside the next morning to start it and nothing happened...
  6. 3rd Gen. Non-Powertrain
    Hey all, another FCM issue (maybe). I’ve done all the research and reading I can and have done a lot of in depth testing already but I’m at a loss. ISSUE: My gauge cluster works intermittently. The tach and speedo work for about 5 seconds and then off for about 5 seconds. The other gauges will...
  7. 98.5-02 Powertrain
    I have a 2001 6 speed manual 2500 with a dead pedal/runaway throttle, it changes randomly and sometimes will almost redline without me touching the pedal. It will drive normal for a few minutes then start doing this every time. At first I thought it was the TPS but I have put 2 different ones in...
  8. 07.5 - 09 3rd Gen 6.7L Powertrain
    I have a 2007 6.7 with 240k miles, having super wired problem with pcm. Truck will start fine in the morning and runs great until hits operating temp then loses communication with pcm dies and will not restart. Have to let sit for 12 plus hours for restart then same problem. Verified good ground...
  9. 3rd Gen. Performance Parts Discussion
    I recently purchased the Edge cts3 for my truck (2006 2500 5.9 with a 48RE jasper trans) per my previous post my trans was working fine other than rpm were a bit odd 2500rpm/60 mph some say its normal other say it’s not. That is besides the fact truck still drove with no problems. Immediately...
  10. 3rd Gen. Non-Powertrain
    I have an open wire somewhere between the number 7 pin of the data link connector and pin 16 of a connector on the ECM. I have gotten this far and currently stumped, cant see a broken wire and not sure exactly where the harness runs. Also not sure what the breaks are on the wiring diagram. Any...
  11. tach-amp

    This is the tachometer drive circuit and amplifier I built to replace the PCM drive circuit. This circuit provides output similar to the backlash in an ignition coil that gives a strong zero crossing signal the tach uses as timing pulses. Have fun!
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