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[Vectra C] [02-08] Help!!! Panel warning light flashes intermittantly?

Discussion in 'Cavalier, Calibra, Vectra, Signum, Sintra & Insignia owners forum' started by flatpackmatt, Jun 8, 2010.

  1. flatpackmatt

    flatpackmatt New Member

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    Vectra - Petrol 1.8 Exclusive 2006 - my panel light (the one that indicates a light bulb is blown) Symbol; in top middle of dash showing a light-bulb 'flashing.' It lights-up 'intermittantly' and usually at low revs, but sometimes, although more rarely at speed. Ive checked all my lights and all seem fine. Whenever it flashes it does so for a couple of seconds only and then might not flash again for an hour or more. Any suggestions please? :rolleyes:
  2. brikhead

    brikhead Well-Known Member

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    I'm not familiar with the Vectra 'c' but I would may-be check the brake fluid level and then possibly remove each of the rear bulbs to check for bent/corroded connectors.
  3. brikhead

    brikhead Well-Known Member

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    Hello and welcome, by the way!
  4. flatpackmatt

    flatpackmatt New Member

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    Hi Brikhead - Thanks for welcome. ;)

    I will check-out your suggestions in the morning. (fingers crossed it works) I will advise you of the outcome as I'll know over the next couple of days.

    Kind regards

    Matt
  5. DarmonGeezer

    DarmonGeezer This Site is For Volvos, Right? VxON Club Member

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    If it is indeed the warning for a failed bulb (I can't remember what that warning looks like, as haven't had it on my car yet), then bare in mind that when a rear bulb fails, another bulb will light up to take its place; e.g. if a brake light bulb fails then the tail light bulb will illuminate brighter than usual so that you still have working brake lights. This can make it difficult to spot which bulb is faulty, as all the lights appear to work. Check each light when illuminated and make sure that the light is coming from the correct place - e.g. for the brake lights check which bulb illuminates on the N/S and make sure it's the same bulb on the O/S that also illuminates - if it's a bulb higher up or lower down than the other side, then you know that it's the wrong bulb temporarilly lighting up to replace the brakelight bulb.
  6. flatpackmatt

    flatpackmatt New Member

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    Thanks too Darmongeezer - I will be checking the car this morning. Perhaps coincidently after reading both your suggestions to my wife she reminded me that we had a rear light failure about 6-months ago. However at that time the 'warning' light went out (and stayed out) immediately I fitted the new bulb; sadly we cant remember if it was a tail or brake light. I will of course post my findings. Thanks both for your help.
    Regards
    Matt
  7. flatpackmatt

    flatpackmatt New Member

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    Sorry, I meant to say the warning light is definately the bulb indicating a lightbulb failure as it coinsides exactly with the diagram in our handbook.
  8. Art

    Art Well-Known Member

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    Mine does that ...

    Twice now the bulb failure warning light has come on with no trace of a blown bulb, then 10-14 days later a bulb blows. Not sure if intermittent bulb failure is possible, it's just an annoying little warning light.

    Just remembered, first I get a flashing bulb out warning light with no sign of a bulb out, when the warning light comes fully on without flashing it's only then I'd notice a blown bulb. It's as if the warning light circuit registers some change in voltage/amp drain prior to bulb blowing.
  9. flatpackmatt

    flatpackmatt New Member

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    Hi guys - ok, so far so good. I checked fluid level and contacts, and both were fine.

    I then removed both sets of rear light fittings in their respective cages and played 'hunt the faulty bulb' - actually no bulbs showed to be faulty. I changed the bulbs from one side to the other making certain the proper bulb went into the right socket. The bottom line is both sets of lights seemed to work equally as well as its conterpart. The only 'odd' thing i found was the nearside cluster has only 5 wires leading to it but the drivers-side has 6. The 'missing' wire would have run a 'paired' red fog light instead of just the one-side. Oddly too, from new a bulb was fitted into it although it would never work without a feed. Both sets of light fittings still look 'as new' today as when it was assembled 4 years ago.

    To conclude, we've run the car for a couple of hundred miles and we're delighted to report the flshing warning bulb is no more. We assume we had a lose or badly fitting bulb!!!

    Thanks guys for your concerns and very helpful advice.


    Kind regards

    Matt
  10. DarmonGeezer

    DarmonGeezer This Site is For Volvos, Right? VxON Club Member

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    The N/S rear light doesn't have a working rear fog light, even though there's a bulb in there, hence why that side has 5 wires instead of 6. By law cars only need to have 1 rear foglight if mounted on the O/S or in the middle, although most cars have one on each side.

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