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Anonymous
Anonymous asked in Cars & TransportationMaintenance & Repairs · 1 decade ago

Diagnosis of cars problems???

1993 Pontiac Transporter, my tachometer went beserk the other day, then stopped, now it is working. My wipers quit working the same time, now they are working again, yesterday my automatic door locks stopped working, worked last night and quit again today, anybody have any ideas of problem and solution????

I am older and disabled so the simpler the better. Thanks

9 Answers

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    sounds like a grounding problem the wiring harness under the wiper motor may be rubbing against the air filter or some where rite there

    as far as the other peoples answers dodges have body control modules not that Pontiac some of the other ones do your computer doesn't control it either ant it ain't the battery terminals it could be a lose ground but its probably the harness rubbing through

    you will probably end up taking it in though

    good luck

    Source(s): mechanic ase certified electrial
  • Anonymous
    1 decade ago

    This car probably has a loose wiring harness somewhere or a bad ground wire or connection. In a car thirteen years old, rust is possibility and may have eaten through a wire. I realize these have plastic bodies, but they have a steel frame that does in fact rust.

  • 1 decade ago

    My guess....Corrosion on battery terminals.

    More than likely the positive post and teminal.

    You need to have the scale removed between the post and terminal. Not just the outside.

  • 1 decade ago

    may be a bcm (body control module ) or a wiring problem i would suggest to take it ot a repair shop unless you have some real good diagnostic skills

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  • 1 decade ago

    Older and disabled says to me "get a newer car".

  • 1 decade ago

    BASIC

    LOOK UNDER THE HOOD FOR SIGNS OF ELECTRICAL

    BURNS OR BARE WIRING

    SECOND UNDER THE DASH FOR SAME AS ABOVE

    CONTINUE JUST GO TO A GOOOOOOOD MECHANIC AND EXPLAIN SITUATION

  • 1 decade ago

    sounds like a short in electrical system

  • 1 decade ago

    you have a wiring problem. have it looked at by a dealer, could be a fuse, or it could be a single burnt wire.

  • Anonymous
    1 decade ago

    sorry but your computer is bad i just went thru it

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