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Ask Gm Tech (Cam) Your Own Question
Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1667
Experience:  GM Grand Master Technician 2007. 14 year experience.
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My 2000 GMC Yukon Denali heater motor only works on gh is it

Customer Question

My 2000 GMC Yukon Denali heater motor only works on high is it the motor or the switch ?
Submitted: 5 months ago.
Category: GMC
Expert:  Ron Z. replied 5 months ago.

Does this vehicle have Auto Temp Control?

Customer: replied 5 months ago.
no
Customer: replied 5 months ago.
Is this some kind of joke I ask you question and you answer me with a question !!
Expert:  Jerry replied 5 months ago.

Hello and welcome. My name is ***** ***** you for visiting the site.

**** NEW EXPERT HERE *****

Most thing on the vehicle these days are fairly complicated and we needed to know which type of HVAC system you were working with.

On the manual temp controls, if the blower motor only works on high, chances are it is the resistor. It would have to be tested to be sure.

If you accept my additional service request for your email address, you can give me your email in a private info box and I'll send you the test instructions in a PDF file, the file is rather large.

You will just have to accept the additional service offer and ENTER your email address in the “ENTER CONTACT INFO” section so that I can see it.

I do not have access to your email address,

Expert:  Jerry replied 5 months ago.

Do you need any instructions for the resistor? Or any tests for it?

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