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Originally Posted by tomkinsa
When i am drivin sometimes the abs light will come on. If i park and shut the truck off and start it back up the light will be on until i start drivin. then it goes off. a mile down the road it comes back on. Im runnin a diagnostic on it today.
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If the abs light comes on, and you have not applied brakes, it's possible that a spark plug wire is the cause. Too much resistance make radiation, and that will cause electrical problems / false codes.
I wouldn't have believed it if I hadn't read it in the factory shop manual, and experienced it myself.
Need more diagnostic clues here tho' for your case...