Testing ABS wheel Sensor ABS Light on
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Testing ABS wheel Sensor ABS Light on
Does anyone know where to start checking the harness to my ABS wheel sensor. I changed my unit bearing a month ago Started with left side one week .had no problems The next week I changed the right side from then on my abs light stays on A/E says c1145Speed sensor RF input circuit failure. I have tried using my other sensors from the old unit bearings but it doesnt help
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Join Date: Feb 2005
Location: Chattahoochee Hills, Ga.
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Check the wires under the wheel wells carefully. I had a "bad" place on a wire that was in a hard to see place. Actually, something had nicked it and it was about in 2 pieces. Spliced the wire and was back in business. I hope yours is something simple like that. Good luck and keep us posted.
Last edited by c125bob; 12-18-2010 at 03:01 PM. Reason: spelling
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What happened this time to cause one of them to work?
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When i tried the old sensors they where in the old unit bearings I pluged it into the truck then spun the bearings as fast as I could which didnt reset the abs light. It wasnt untill i checked the sensor with a multi meter on the lowest AC voltage setting there was a rise and fall in voltage generated by the sensor when the bearing is spun rapidly on the old one and not the new one and when I checked for ressitance the new on showed 0 and the old sensor gave me a reading. so I removed the sensor from the new unit bearing and replaced it with the used one put it all back toghter and went for a drive the abs light stayed on untill I got to a certain speed then it went out. I guess when I was spining the bearing by hand it wasnt fast enough to reset the abs light.
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