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You can't reset the ABS light as you would the MIL. The system has to reset it by performing a successful self-test. Yours is a "hard" fault. Whatever the fault is, it is present at power-up. That means it's an open or short circuit on one of the ABS computer's inputs or outputs.
Keep at that kick panel, and read the code(s). That will give you the direction you need to diagnose.
Remember that that last, long flash has to be counted in your total.
I just got out from under the front and think I found the problem. When we brought the truck they did a factory lift and put on bigger rims and tires. (thats how we found it on the lot)
Well, well, well, looks like they didn't consider that the sensor cable just might rub on the inside of the bigger rim, almost cutting the cable in half. Thus they didn't move the cable around and get it out of the way.
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