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We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.

Heater Climate Control Unit fan switch failure?

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It seems as though my fan switch has become a happy face Sad face type of fan switch.  It works on high only.  I suspect the switch may have failed.

 

I do have AC I do not have heated mirrors.  I believe the unit is P/N 55056702AD

 

If anyone has any other thoughts on why that would be awesome.

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  • kzimmer
    kzimmer

    Lmao

  • kzimmer
    kzimmer

    Blower motor resistor(s) need replacement. Also, if the blower motor is drawing enough current to cook the resistors, you likely need a new blower motor as well, or you'll be replacing resistors again

  • dripley
    dripley

    When you remove the blower motor you will see it on the left side or rear in the hvac box. Its pretty obvious once you are contorted under there. The part you linked looks right. I did not compare any

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  • Owner

Yup, you need your vacuum pump on the engine twist to make vacuum to pull the doors open and closed. Yup, defaults to defroster... 

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    1 hour ago, Mopar1973Man said:

    Yup, you need your vacuum pump on the engine twist to make vacuum to pull the doors open and closed. Yup, defaults to defroster... 

    Okay so rookie lesson learned.  Now I know, no engine running, no vacuum pump pumping, no door heater/HVAC actuation.  Derp.

     

    Thanks everyone.

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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.