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Auto Mechanics - Need Some Help!

Discussion in 'BlackHat Lounge' started by RalphyBoy, Aug 12, 2011.

  1. RalphyBoy

    RalphyBoy Regular Member

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    I know there are alot of smart, experienced in life, people on this board so I thought I would post this problem:

    I have an intermittent electrical problem with my truck:

    1998 Chevy S-10,
    Mileage - Approx 42k
    Intermittent Dashboard Warning Lights, All of a Sudden On. No Flashing Lights

    Affects:

    ABS Light
    Gas Gauge
    Low Fuel Light
    Security Light
    Seatbelt Light
    Low Battery
    Gear Selector
    etc...

    Intermittent, days go by, no problems.
    then next day, running fine, ALL of a sudden dashboard warning lights come on, stay on for anywher from 2 - 12 minutes, then return back to normal.

    All the time, truck is running fine.

    Thought I would check here before paying my local guesser/con man to replace a bunch of expensive parts with HUGE labor tacked on.

    Thanks!
     
    Last edited: Aug 12, 2011
  2. angelas111

    angelas111 Jr. VIP Jr. VIP Premium Member

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    been in the car business many years. either your pcm (computer) is going haywire which may cause problems sooner or later or your dash cluster is going bad or has a loose connection (wire harness on back).
     
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  3. RalphyBoy

    RalphyBoy Regular Member

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    Good points, thanks!

    Do you think anything would trigger a Defect Code?
     
  4. angelas111

    angelas111 Jr. VIP Jr. VIP Premium Member

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    is your check engine light on when everything is ok? if not it wouldn't trigger an obd II code.
     
  5. RalphyBoy

    RalphyBoy Regular Member

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    That's part of the wierd problem.

    No, the Check Engine Light NEVER turns on. So, I guess this is VERY Good News.

    Do you think this points to the wiring (which is factory original), the dash cluster itself, or I'm assuming the main connector, connecting wiring harness to dash cluster?
     
  6. wowhaxor

    wowhaxor Executive VIP Premium Member

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    Damn son how do you have a 98 with 42K miles?

    On another note I agree, possibly the computer and very possibly loose wires (I had a 98 sierra and bit by bit had to replace a lot of electrical).
     
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  7. RalphyBoy

    RalphyBoy Regular Member

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    This is a secondary vehicle, I don't use it that much, and when I do it's only 20 miles or so.

    My main car, now that's another story.
     
  8. Statix

    Statix Junior Member

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    had the same problem on a 95 s10 except when they blinked the truck would cut off and not crank back. Turned out to be the ignition switch Found it by accident as when I touched the plug the lights blinked. After moving the plus a few times and everytime I did the dash lights went haywire I decided to replace it (about $20 on ebay) worked ever since.
     
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  9. RalphyBoy

    RalphyBoy Regular Member

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    Excellent, good news, I'm glad to hear you fixed it.

    At first, that's what I thought as well. There are a few differences though. Engine runs great, doesn't skip a beat. Ingition switch, and key holder, both seem rock solid.