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Open Roads Forum > Tow Vehicles

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jefffoxsr

Michigan

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Joined: 03/25/2002

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Posted: 07/30/12 05:53pm

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2003 Yukon SLT. Electronic HVAC system. The fan control to increase the fan speed is intermittently not increasing the fan speed as it is turned up. What do I need to check or replace?

Thanks.

Jeff
2004 Sunnybrook 2726 Travel Trailer ( ~7,400 # Loaded, 28' )
2004 GMC Sierra 2500 HD 4 x 4 Crew Cab 8.1 / Allison / 3.73 ( 6,810 # with no passengers )
Reese Dual Cam
Honda EU 2000i Generator

NewsW

US

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Joined: 02/06/2012

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Posted: 07/30/12 05:55pm

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Reset the computers and see if that makes a difference.

Next on the list will be .... does it have an amplifier it is driving?

sch911

Rochester Hills, MI

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Joined: 04/13/2003

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Posted: 07/30/12 06:09pm

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It could be the blower power module: Here

Chrysler/Dodge/Ram/Jeep Engineer
2003 Damon Challenger 348 Class A - F53 Triton V10

jefffoxsr

Michigan

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Posted: 07/31/12 07:45pm

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Thank you for the awesome link. I will do it.

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