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2003 w900 blower motor cuts in and out

Discussion in 'Trucks [ Eighteen Wheelers ]' started by KittyKicker, Jul 4, 2018.

  1. Jul 4, 2018 #1
    KittyKicker

    KittyKicker Light Load Member

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    Dec 27, 2015
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    Ok, next problem....my blower motor keeps cutting out. Put in a new blower motor, new fan speed control switch, new resistor, new breaker, new freeze switch. I ran the thing on full blast in the shop for over an hour and a half, it was working great. Fired it up, pulled it out of the shop, and hit the road. Couple minutes later, the breaker tripped again and out it went. Cut in and out the rest of the day...
     
    KittyKicker, Jul 4, 2018
    KittyKicker, Jul 4, 2018
    #1
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  3. Jul 4, 2018 #2
    Judge

    Judge Road Train Member

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    Mine is a 2013 Pete, but had a similar problem, behind the fuse panel, had a wire with a rub mark on it, while driving it would bump something and short out, not all the time blowing breaker/fuse, as you would think, mine ran all night once and 2 miles up the road hit a bump and it quit, might check that wiring
     
    Judge, Jul 4, 2018
    Judge, Jul 4, 2018
    #2
    KittyKicker Thanks this.
  4. Jul 4, 2018 #3
    KittyKicker

    KittyKicker Light Load Member

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    Yeah, looking behind the fuse panel is about the only thing I haven't tried. You might be on to something there.
     
    KittyKicker, Jul 4, 2018
    KittyKicker, Jul 4, 2018
    #3
  5. Jan 1, 2019 #4
    Moephilly1

    Moephilly1 Light Load Member

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    Oct 6, 2016
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    Had the same problem it was the fuse for the Blower
     
    Moephilly1, Jan 1, 2019
    Moephilly1, Jan 1, 2019
    #4
    KittyKicker Thanks this.
  7. Jan 1, 2019 #5
    Superhauler

    Superhauler TEACHER OF MEN

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    Replace the breaker. They get weak over time from the heat they produce.
     
    Superhauler, Jan 1, 2019
    Superhauler, Jan 1, 2019
    #5
    SAR Thanks this.
  8. Jan 1, 2019 #6
    Lyle H

    Lyle H Road Train Member

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    Did you replace the short wire harness that plugs into the back of the fan control switch ?
    They have a habit of becoming brittle and shorting out also.
     
    Lyle H, Jan 1, 2019
    Lyle H, Jan 1, 2019
    #6
  9. Jan 12, 2019 #7
    KittyKicker

    KittyKicker Light Load Member

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    Dec 27, 2015
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    I did. It has been working for a while now, so hopefully it is solved.
     
    KittyKicker, Jan 12, 2019
    KittyKicker, Jan 12, 2019
    #7
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