Brat78 Posted July 16, 2015 Share Posted July 16, 2015 My heat and air all work wonderfully, however they will not blow on 4(high). In the last year the blower motor assembly has been replaced, as well as the blower resistor, and the system does not behave any different. I checked the plug to the blower motor and on all settings and there is 12 volts coming in, however, the plug is not grounding on the number 4 fan setting. Any help is appreciated. Cheers. Link to comment Share on other sites More sharing options...
Fairtax4me Posted July 16, 2015 Share Posted July 16, 2015 Possibly the fan switch in the mode select panel. Or the blower relay. Link to comment Share on other sites More sharing options...
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