ABS Light & Speed Needle Moving (Help )
#1
ABS Light & Speed Needle Moving (Help )
Hey guys. My cars run fine with no problems whats so ever! I can turn the car on and no warning lights or nothing come up, then i can start it other times and get the ABS light come on and the speeddo moving up and down but this doesent affect the drive of the car, then i turn it off and on it goes back to normal?
what could this be?
many thanks
Harvey
what could this be?
many thanks
Harvey
#2
Join Date: Feb 2013
Location: Trying to escape Central Florida
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Sounds like a poor ground or a slight short. With the speedo I would say it was the sending unit, but with the ABS also I'm saying a short. Have you checked your positive battery cable, the short one from the battery for corrosion? Be sure to look down under the casing from the connector, mine was down inside. I just replaced mine a couple months ago and before that I was getting an occasional ABS or restricted performance warning. It would also not restart sometimes unless I went into the trunk and wiggled the cable. I tried battery cable cleaner to no avail. Now I don't had any starting issues or indicators since. Hope this helps....
Last edited by Highhorse; 09-27-2013 at 11:30 AM.
#3
#4
Join Date: Feb 2013
Location: Trying to escape Central Florida
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There's no guarantee this will work, but cleaning battery terminals is a simple must on any car to assure proper voltage throughout and cures many electrical issues.
#5
abs light
I am pretty sure that the right rear abs sensor also drives the speedo, so I would start investigating there. Remove the sensor and clean the face of it. Check resistance through the sensor, people have reported 1.1 to 2.5 ohms as being ok. You can also check the continuity of the wiring from the abs module plug in the engine bay to the sensor. The wire near the sensor is known to break internally and give intermittent faults.
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