04 w900 overhead panel replaceable lights?

Discussion in 'Kenworth Forum' started by circle h, Jul 17, 2021.

  1. circle h

    circle h Light Load Member

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    Oct 22, 2020
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    The low air warning light on the overhead panel does not illuminate. Not even in the key cycle light check. The low air buzzer, which is way to loud, works fine. Has anyone changed a bulb in one of these? Anyone have any idea what all the dip switches do? Thanks for looking.
     
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  3. Cummins_444

    Cummins_444 Medium Load Member

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    Apr 28, 2008
    Northwest, IN
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    To change the bulbs. Remove the screws from the circuit board. Then it will come apart to get to the bulbs. The little switches turn the buzzer on and off for the different warning lights.
     
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  4. circle h

    circle h Light Load Member

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    Oct 22, 2020
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    Thanks for the reply, I found a diagram right on the side of it that tells which functions are changed with the dip switches.
     
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