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Is there a way to test a blower motor resistor for a 09 C300

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Old 10-31-2017 | 10:57 AM
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DC1
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From: Florida
2009 C300 Luxury
Is there a way to test a blower motor resistor for a 09 C300

The a/c in the car stopped blowing and after some research I found that it had to be the blower motor. So I took that out and took it to the auto parts store and had it tested, it still has plenty of power. the next culprit could be the resistor and before I go back to the auto parts store I am wondering if there is a way for me test at home, the resistor is out of the vehicle
Old 10-31-2017 | 03:52 PM
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From: Shepardstown, WV
1999 E300TD
It is difficult if you do not have the specific voltage calls from the control unit. That being said find someone with Xentry and you will have the answer before the time you spend putting the fan back. Alternatively, replace the chap resistor and enjoy.
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Old 11-01-2017 | 08:15 AM
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2009 C300 Luxury
Thanks Plutoe, I am a novice to all this but I learn quick.

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