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parking brake light 200 1984

posted by  bellzer on  Tue Apr 30 08:30 CST 2002
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Hello

Well this is a silly one. After starting the car and releasing the parking brake the light in the dash stayed on. I removed the switch and played with it while the car was running. While it was hooked up to the brown wire and grounded, the light would get brighter when the engaged position was simulated. and then it would dull when put in the released position, but still stay on. I tried grounding out the brown wire and it had the same effect. When grounded the light in the dash would dim but stay bright all other times. I am thinking it is a short but I dont have the time now to pull up seats and carpet. Searched the board but only found problems with multiple dash light. Sorry for the length and thanks for the help. It is a 240 dl wagon 84

thanks again
joe








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    parking brake light 200 1984

    posted by  B.C. on  Tue Apr 30 15:25 CST 2002
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    last visit: Wed Mar 28 22:28 CST 2012
    [RELATED]

    The Volvo "green" wiring diagram manual shows that circuit as having a single brown wire to the switch, and the ground on the other side of the switch.

    Seems to me that your symptoms could come from a stuck switch, or a bad diode. There is a diode shown in the WDM, one of four in the combined instrument panel diagram.

    Diodes are not my field, perhaps another brickster will help if that's the cause.

    Consider another unit from a S-yard, they interchange except between the ones which use a drive cable, like yours, and the later models that use a pulse system. If the "r" number matches, accuracy would be the same. I think the "r" number are the same for all sedans, different number for all wagons.

    Good Luck,

    Bob

    :>)







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      parking brake light 200 1984

      posted by  bellzer on  Wed May 1 03:40 CST 2002
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      Bob

      Thanks for the hints. I thought about what was going on and what I had done before this problem started. Turns out when I got around to replacing the bulbs in two of the small gages it completed a circuit and kept the parking light on. After pulling the dash apart I found the gage wire tapped into the parking break wire which is brown. After I switched it to a brown lighting wire the light went out and the gage lights worked.
      Thanks for you help and hints
      Later Joe







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