Question about 1998 GMC Jimmy
I have a 1998 GMC Jimmy and the AC quit working. There is no response from the blower. I have the computer climate control and there are no lights. Nothing for recirc/AC/or rear defroster. Is there a way to tell if the module is bad?
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Posted on Apr 07, 2015
Testimonial: "I am not sure that it is not the blower. there are no lights on the controller. there is no light on the recirc, a/c, or rear defrost buttons."
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Posted on Jan 02, 2017
Are you aware of any codes that may stored in the body control module and do you hear a clicking or ticking noise in the rear?
Posted on Nov 02, 2010
SOURCE: 1995 GMC Yukon has issues
the fan setting sounds like a bad blower resistor or high speed relay but i would say the resistor, the air problem may be related to the controls or vacuum leak. check the engine area around the intake and make sure the vacuum lines are good and there are no leaks as this heater system is vacuum controlled, depending because some are actuator controlled also listen under the dash for a hissing noise as that would be a vacuum leak, another thing is to remove the control and check for vac leaks at controller.
Posted on Feb 05, 2011
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