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how to change pattern

Discussion in 'Strobe Lighting' started by Morrissey snow removal, Sep 7, 2007.

  1. Morrissey snow removal

    Morrissey snow removal PlowSite.com Addict
    Messages: 1,798

    i have a 9m whelen light bar does any one no how to change the patterns in these thanks chris
  2. groundbreakers

    groundbreakers Senior Member
    Messages: 828

    yah .. there is one wire in the harness that you apply 12 volt to change patteren go the whelen website and you'll find the schematic ...
  3. Gicon

    Gicon Senior Member
    from MA
    Messages: 989

    It might be the purple or purple and white striped wire, but go to whelen.com and you will find it.