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2011 chev avalanche 5.3 4wd no crank no start

2011 chev avalanche 5.3 4wd no crank no start

This topic has 1 reply, 1 voice, and was last updated 3 years, 2 months ago by Marvin Chestnut.

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January 21, 2021 at 9:48 pm #988272
Marvin Chestnut
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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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January 21, 2021 at 9:53 pm #988273
Marvin Chestnut
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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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