C15 fan on continuous

Discussion in 'Trucks [ Eighteen Wheelers ]' started by HISPEED428, Mar 23, 2013.

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  1. Ol sparky

    Ol sparky Bobtail Member

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    I have a problem with my 07 freightliner classic xl on the pnumatic switch for fan clutch. I just bought this truck and found a wire that goes to the switch cut or broken in wire harness but there is no other end to be found it is the negative side of the switch where does it go to ground or to ecm
     
    Ol sparky, Aug 1, 2018
    #21
  2. Jason_379

    Jason_379 Bobtail Member

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    Tap on low pressure switch for ac.. sometimes mine sticks and keeps fan on
     
    Jason_379, Jul 17, 2019
    #23
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