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ABS light comes on when it rains 850 1994

posted by  artdrectr on  Mon May 23 16:49 CST 2005
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last visit: Thu Aug 28 22:51 CST 2014
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It's crazy, but I've narrowed it down to this: when it rains, I can be sure the ABS light will come on. But never when it's dry weather.

The '94-95s don't seem to have problems with the ABS Control Units like the other years.
So, would it be a sensor acting up or something else?

Don
94 855T








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    ABS light comes on when it rains 850 1994

    posted by  rmagoo on  Tue May 24 04:44 CST 2005
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    what is the fault code when the light comes on? if it has a problem relating to rain, maybe this will help find the culprit.








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      ABS light comes on when it rains 850 1994

      posted by  artdrectr on  Tue May 24 05:59 CST 2005
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      last visit: Thu Aug 28 22:51 CST 2014
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      OK, I just read the codes:
      2.1.3
      2.1.4
      1.4.1
      1.4.2

      Looks like both rear sensors and a brake peddle switch shorted.
      Any advice from here? (repair or replace?)

      I think the idea that the exposed wires may have corroded is good, and will check that out.

      Thanks everybody,
      Don








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    ABS light comes on when it rains 850 1994

    posted by  Oliver on  Tue May 24 00:35 CST 2005
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    last visit: Tue Apr 24 15:09 CST 2012
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    Could be a wheel sensor, but on my 96 it was the two wires coming from the ABS control unit to the ABS pump. The insulation was coming off and causing the unit to short out. If your insulation is cracked, the moisture could be completing the short.

    Just my two cents worth.

    Oliver

    64 122S
    66 1800S
    86 245DL
    96 850GLT







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