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HVAC blower problem. Blower does not seem to work in any…

Customer Question
HVAC blower problem....

HVAC blower problem. Blower does not seem to work in any setting auto or manual modes. Some heat comes out and does seem to increase slightly with engine RPM, but not very much

Mechanic's Assistant: Have you checked the coolant level? Has there been any leaking from the hoses?

Yep... thats all good

Mechanic's Assistant: What is the model/year of your Jeep?

2006 Commander 5/7 Hemi

Mechanic's Assistant: Are you fixing your Commander yourself? What have you tried so far?

I can fix... most stuff. Just happened yesterday so not much ohter then coolant checks

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Also maybe related... the radio display started "flashing" seems to be going randomly between night and day modes and the recirc button light seems to dim in sync with that flashing as well

Submitted: 4 months ago.Category: Jeep
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Answered in 2 hours by:
12/9/2017
Jeep Mechanic: Dan, Technician replied 4 months ago
Dan
Dan, Technician
Category: Jeep
Satisfied Customers: 25,683
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Hello, my name is ***** ***** I'm here to help get your problem solved.

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Jeep Mechanic: Dan, Technician replied 4 months ago

This most likely means the blower motor relay under the hood has failed or blower motor itself. Unplug the blower motor and with switch on high the dark blue wire should have power and the light blue wire should have ground. If both are good replace the blower motor, if missing power replace the blower motor relay. Here are instructions to replace blower motor, let me know if you have questions. Thanks.

-

https://www.dropbox.com/s/kbkau88foma4vo2/jbm.pdf?dl=0

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Customer reply replied 4 months ago
Do think the radio flashing is related? Can't see that myself, but the issues did appear simultaneously yesterday.
Jeep Mechanic: Dan, Technician replied 4 months ago

No, I don't see any way they would be related. That sounds like a problem with the radio itself. Let me know if you have questions, thanks.

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Jeep Mechanic: Dan, Technician replied 3 months ago

Ever get it figured out? Please do not forget to rate answer. Thanks.

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