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  1. R

    Right rear lights situation Help Please

    Tim With electrical problems, you need to get your test light and DVM out and find out where the problem is. No one can tell you where you have a broken wire, short, corrosion, bad ground, bad pin fitment, etc.
  2. R

    L5P with 100,000 miles and a stutter or slip at 1500 RPM

    Sure is nice to have someone who knows the CORRECT answer so us GUESSERS don't run too wild!
  3. R

    L5P with 100,000 miles and a stutter or slip at 1500 RPM

    You MAY be feeling a torque converter lock/unlock. Drive your truck in towhaul and see if the problem continues or changes. There are many reports of similar problems and no specific fix. This MAY help. Lubegard 19610 Instant Shudder Fixx, 2 o
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    Looking for ECM

    Even Ebay has listings https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2047675.m570.l1313&_nkw=12589463&_sacat=0
  5. R

    Looking for ECM

    Any auto recycler would be an option, or look at some place that repairs them. Or a tuner shop. They often end up with extra ECM's.
  6. R

    What are you paying for Diesel in your area?

    $3.99 at Costco in Phoenix 3/6/2022
  7. R

    New or Re-Build Steering Box

    Rebuild kits less than $10 Rock auto. May take some time but sure not much $$.
  8. R

    Caldor Fire

    Absolutely devastating and heart breaking.
  9. R

    Alternator wire fusible link 2007.5 LMM

    They MIGHT be, but you need to test them to see if they're the problem. If they are good, the problem could be that they aren't getting charged properly; or they are getting charged, but are being discharged improperly (parasitic drain).
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    Alternator wire fusible link 2007.5 LMM

    Batteries should be at 12.6 - 12.7 after charging and sitting for 24 hours or so. One way batteries can be bad is that they have shorting cell, and no amount of fuse pulling, wire testing, parasitic loss search, etc will tell you about that. If you fully charge your batteries, leave them...
  11. R

    Lmm GPCM delete

    You might just try pulling fuse(s) to see how your truck reacts to not having a working GPCM. Just because you think it's not needed, your truck also has a voice in the matter and may be different than yours. Certainly the data lines are important and must not be just snipped off, but other...
  12. R

    Alternator wire fusible link 2007.5 LMM

    This one? The one that attaches to the back of the alternator that is red with a black stripe? There is no fusible link there. Part #20771932...
  13. R

    Alternator wire fusible link 2007.5 LMM

    When you say 'alternator wire' exactly which 'wire' do you mean? The cable that carries B+ power to the batteries? Connection to the ECM?
  14. R

    P0722 code

    See attachments
  15. R

    weird intermittent limp mode issue HELP

    And check your air filter also. Amazing how dirty those things can get. Are those coolant temps you posted from the dash gauge or something else?
  16. R

    2003 duramax lb7 p0089 help

    The ECM sends the FPR a pulse width modulated signal that controls the pressure. PWM signals need to be viewed with a scope because those pulses happen way too fast and vary in voltage for a DVM to capture the signal in any meaningful way.
  17. R

    LLY P0089

    See attachment, based on my 2008 LMM. Yours a little different, but basically the same.
  18. R

    new head gaskets, now runs rough and smokes

    Best to post to Youtube then post the Youtube link here on the forum
  19. R

    Cranks for 2 seconds and then quits

    See here https://www.dieselplace.com/threads/what-could-cause-a-p1244-injector-output-circuit-code.84206/
  20. R

    LMM Duramax fluctuating Alternator voltage

    Same post on another forum, I suggested that maybe the ECM/TCM/BCM all need to have the same VIN# synced. They came from different sources. Anything to this ?
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