my train horn compressor....?

Discussion in 'GM Electrical Tech' started by Jcloud, Sep 9, 2010.

  1. Jcloud

    Jcloud Rockstar

    today i pressed my button to let my train horn go off and it sounded weak so i held it till all the air ran out of the tank...and now the compreesor wont turn on to fill the tank back up..anybody know maybe what it might be? thanks!
  2. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    Check that the compressor's getting power and hasnt blown a fuse, has a short, or corrosion (- and + wires).
    If you got power to the compressor check to see the compressor isnt burnt out.
    And check to see the compressor pressure sensor is working correctly.
  3. Jcloud

    Jcloud Rockstar

    turns out it was my pressure switch. where could i find one at?
  4. troutbug

    troutbug Rockstar 100 Posts

    Ebay or McMaster-Carr ( has several to choose from in different pressure settings (on/off). Maybe check your local hardware store or a shop that installs air bags/air ride in vehicles. Did you have the old one mounted upside down, by chance?

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