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2011 chev avalanche 5.3 4wd no crank no start

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This topic contains 1 reply, has 1 voice, and was last updated by Marvin Chestnut Marvin Chestnut 4 months, 3 weeks ago.

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  • #988272
    Marvin Chestnut
    Marvin Chestnut
    Participant

    My avalanche has a no crank no start ,service 4wd is displayed in the dash also a service trailer brakes is displayed in the dash .I have no communication with any modules on the truck .

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  • #988273
    Marvin Chestnut
    Marvin Chestnut
    Participant

    I started at the ebcm ,testing ohm on my high speed data lines ,and the yellow wires are flip floppy .one minute there 120 ohms ,the next time there 253,then they will go to like a dead short to ground and this is without moving anything

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