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850 electrical 850

posted by  someone claiming to be jakefac25 on  Mon Mar 20 08:28 CST 2006 [RELATED]

My '95 850 non-turbo wgn starts up OK but on occaison, the ABS light stays on, the gear lock solenoid will not unlock the gear selector and the headlights will not illuminate. Is there any component/relay/connection that is common to all three that could be causing a problem?? I might guess the ignition switch, but the car always starts and runs fine - and this problem is only intermittant. Thanks.








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    850 electrical 850

    posted by  someone claiming to be ksg on  Tue Mar 21 06:20 CST 2006 [RELATED]

    Please refer to the following post -

    http://www.volvospeed.com/Repair/ignit_switch.php








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      850 electrical 850

      posted by  someone claiming to be jakefac25 on  Tue Mar 21 10:46 CST 2006 [RELATED]

      Where do you guys find this stuff - Great help - Thanks a lot!!.....jake








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    850 electrical 850

    posted by  yona on  Mon Mar 20 15:27 CST 2006
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    last visit: Mon Oct 8 20:50 CST 2012
    [RELATED]

    jakefac25:

    There is remote chance it could be the voltage regulator. Just last week I was researching this forum since mine went bad. Someone mentioned that a voltage regulator fault, especially the type that increases the battery voltage to over 14.5 volts, can cause these and other random problems in the electrical and computer systems. So check your battery voltage with the engine at around 1500-2000rpm. If it is higher than it should be, it is time to replace the regulator. Mine was reading 19.8! and it ended up boiling out the electrolyte of the battery. I am awaiting a replacement part. good luck.

    yt855
    1994 v855 5spd na @110k miles








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    850 electrical 850

    posted by  someone claiming to be bJ on  Mon Mar 20 09:57 CST 2006 [RELATED]


    Not sure if there're related but contact Victor Rocha about your ABS problem light b4 you shell out mega bucks to have the ABS computer replaced at the dealer. He'll rebuild and upgrade it for about $140. Also, when you remove the ABS fuse, the speedometer will be inop and the headlights also on some 850's. He can tell you. Failure of the ABS unit on 850's is about 100%

    bl








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      850 electrical 850

      posted by  Rule 308 on  Tue Mar 21 02:22 CST 2006
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      last visit: Tue May 8 09:20 CST 2012
      [RELATED]

      You rookies. Put an ignition contact plate into it and be done with it.

      Mark








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        850 electrical 850

        posted by  someone claiming to be jakefac25 on  Tue Mar 21 02:45 CST 2006 [RELATED]

        Thanks for your responses. When I get my hands on a meter, i'll check the battery voltage. What is an ignition contact plate and where do you replace it? Be kind to me, I am a bit of a rookie when it comes to computerized cars. Thanks....jake








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          850 electrical 850

          posted by  KlausC on  Tue Mar 21 03:32 CST 2006
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          last visit: Fri Oct 24 10:15 CST 2014
          [RELATED]

          Rule308 was refering to the ignition switch plate behind the steering wheel cover. If this is the problem, it can be diagnosed easily: just wiggle the key a little bit and see if the ABS light goes out and you are able to shift from park.
          No computers are involved and your voltage has nothing to do with your problems.

          Klaus
          --
          (V♂LV♂s 1975 164, 1995 854T, 1998 V70R)








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            850 electrical 850

            posted by  someone claiming to be jakefac25 on  Tue Mar 21 04:36 CST 2006 [RELATED]

            Thanks, Klaus. Another poster on a different forum had suggested to wiggle the key - so tha's where we'll head - I'll report how it turned out - and thanks again to all for the replies.....jake







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