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  1. A

    Newbe From NY

    I Would like to take the time to intoduce myself to All. and say THANK YOU beforehand on any help that i Get. THANK YOU.
  2. A

    Radio display says loc and no com. W ecm

    2004 C4500 WITH 6.6 radio says LOC, no crank, no engine light on at KOEO POSITION cant communicate with engine. any ideas?
  3. A

    Help PLEASE

    No luck at all I AM READY to disconnect all 3 batteries, and connect the POS and NEG Batterys to try to unlock the ecm
  4. A

    Help PLEASE

    Yes they can be a nightmare
  5. A

    Help PLEASE

    I will try and let you Know. THANK YOU
  6. A

    Help PLEASE

    BYPASS All grounds? and ground ecm directly to truck?
  7. A

    Help PLEASE

    did a little bit of body work and repaired fuel Gauge . NO WELDING
  8. A

    Help PLEASE

    all fuses and relays are good Thank You
  9. A

    Help PLEASE

    I have a 2004 c4500 with a 6.6. No Eng light on at Key on Eng Off. it does not crank and No Communication To engine side. I can Communicate with trans and body. Some one had mentioned to me that my ECM is locked. And said that I should disconnect the Batteries, connect the positive cable to the...
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