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Thread: BCM communication!!!!

  1. #21
    Tuner 53mercury's Avatar
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    Awesome I think I may have made a mistake here ! So I understand the GMLAN schematic and I'm assuming it's terminated inside the ECM with a 120 ohm resistor but I do not see a 120 at the datalink I'm not using the VCIM but that should'nt matter. I will however check and see if I have the LAN correct or not. Thanks
    53 Mercury pickup triton3v V10 supercharged 150 nos 535rwhp
    71 Roadrunner gen 4 viper
    53 Chevy pickup 4x4 5.3L twin turbo

  2. #22
    Tuner 53mercury's Avatar
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    Great info I'm gonna cheak the can routing and see if I have maybe made a mistake on which module goes where in the system.
    Thanks
    53 Mercury pickup triton3v V10 supercharged 150 nos 535rwhp
    71 Roadrunner gen 4 viper
    53 Chevy pickup 4x4 5.3L twin turbo

  3. #23
    Tuner 53mercury's Avatar
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    Feb 2011
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    Checked wiring of the can bus on the weekend.......all wired correctly so I tried putting a 120 ohm esister after the BCM....still no change!!! I just don't get it.
    53 Mercury pickup triton3v V10 supercharged 150 nos 535rwhp
    71 Roadrunner gen 4 viper
    53 Chevy pickup 4x4 5.3L twin turbo