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  1. 2004LB7

    Coolant flush on the LMM

    Twist, wiggle and pull. They can be stubborn when they've been in there for many years. When you install them, the clip goes in first, then push the fitting in. It will open or spread the clip and snap back when the pipe is all the way in Also a good time to inspect and or replace the O rings...
  2. 2004LB7

    Lb7 manual harness pinout

    You can find much of what you need here https://www.gmupfitter.com/light-duty-vehicles/light-duty-prior-to-2013/
  3. 2004LB7

    Wiring Issues

    That's pretty much what I was guessing. Nice to see an official bulletin on it
  4. 2004LB7

    Wiring Issues

    Ah, ok. I didn't look up the code and just went off what you said. You'll need a scope to see the ECM signals to the FICM. I'd check that before condemning the ECM. Could just be a broken wire or bad connection at one of the pins But if I remember correctly. The FICM doesn't know when the ECM...
  5. 2004LB7

    Wiring Issues

    Put a 10 amp fuse in the EDU slot before running it any longer. In case the FICM is going out. You don't want the board to blow a hole in it from an oversized fuse not blowing. Might allow it to be repairable if a capacitor shorts out I would take the connector off the FICM and prob all the...
  6. 2004LB7

    Bought, wrecked, rebuilding a 2009 LMM

    Yeah, increase in webbing and I think thickness in a few areas. Supposed to be stronger. I'm pretty sure they are compatible with all prior generations with no significant differences. It's more about what gets bolted onto or into it
  7. 2004LB7

    October '24 Chat -- Ghosts, Ghouls and Goblins Galore!

    I remember when my employer was using sprint and was having terrible coverage and service. The price was great but if you can't get ahold of anyone on the job site then what's the point. We then switched to Verizon. Cost was probably double or more but everyone was reachable. I guess they figure...
  8. 2004LB7

    October '24 Chat -- Ghosts, Ghouls and Goblins Galore!

    TracFone is now only Verizon coming November. They used to run on all three US Mobile is still independent so runs on any of the three depending on your phone compatibility. Nice feature is they allow on the fly switching between the three for minimal charge in case you are traveling or...
  9. 2004LB7

    October '24 Chat -- Ghosts, Ghouls and Goblins Galore!

    Currently TracFone using T-Mobile's network. But TracFone was bought out by Verizon and Verizon is discontinuing some of the 4G bands in favor of 5G. US Mobile can use any network, T-Mobile, ATT and Verizon. So my current phone can work with them without doing anything but getting a new sim...
  10. 2004LB7

    October '24 Chat -- Ghosts, Ghouls and Goblins Galore!

    My carrier is dropping some bands in the 4G as they push to get everyone onto 5G. They told me my phone will no longer be supported and I will need to purchase another newer phone. My current phone I have since 2019. So about 5 years old. Typical for me. So a little while back in anticipation of...
  11. 2004LB7

    Quiet today

    Another quiet day? Everyone too busy to tell us you're busy? 🤣
  12. 2004LB7

    Looking for some help figuring out what is going on

    If the line to the MAF temperature sensor is broken the ECM will think it's -30° outside so command glow plugs to be on longer
  13. 2004LB7

    Looking for some help figuring out what is going on

    p0113 Inspect the harness running to the MAF/intake air temperature sensor sensor and check for any chaffed, shorting or broken wires. Might also be from a bad sensor too
  14. 2004LB7

    Looking for some help figuring out what is going on

    Try resetting the codes of you can first. Then see what comes back