A/C woes - 1998 W900L

Discussion in 'Kenworth Forum' started by dpilgrim, Apr 23, 2011.

  1. dpilgrim

    dpilgrim Bobtail Member

    2
    0
    Apr 23, 2011
    Roby, TX
    0
    1998 KW W900L
    Compressor will not kick in.
    I checked the interior switch and it appears ok.
    I have plenty of freon.
    I jumped from the battery directly to the compressor and it works just fine.

    Where or what should I check next?

    Thanks in advance

    dpilgrim
     
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  3. dpilgrim

    dpilgrim Bobtail Member

    2
    0
    Apr 23, 2011
    Roby, TX
    0
    My "gut" feeling is this may be the speed control switch in the cab/dash....but....I don't know how to test this switch.

    HTH

    dpilgrim
     
  4. country29

    country29 Medium Load Member

    518
    154
    Feb 27, 2010
    Arkansas
    0
    ck the low and high press switchs out on the expansion valve on the firewall
     
    Joew900 Thanks this.
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