Intermittant blower motor operation

Discussion in 'Experienced Truckers' Advice' started by Vitointn, Dec 29, 2009.

  1. Vitointn

    Vitointn Light Load Member

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    Jul 12, 2009
    Clarksville, TN
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    The cab blower motor went on the fritz in my 08 Intl Prostar after running on the VA I-81 iceruts from that snow/ice storm the w/e of 18 Dec.

    Circuit breaker is good, so I'm thinking some loose wiring. Wary of going into company shop as my last couple of "experiences" have resulted in DAYS of downtime for minutes of repair needs.

    Any advice on how to access the blower motor circuits for testing/repair?:biggrin_25524:
     
    Last edited: Dec 29, 2009
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  3. Hardlyevr

    Hardlyevr Road Train Member

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    Jul 30, 2009
    Mapleton Depot,PA
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    If your breakers are good, I'd check, if you can get to them, the wires on the back of the switch, one of them might be loose. Fan motors if they die, will usually work on high speed but not the lower ones, there is a resistor that sometimes goes bad.
     
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