Brianmitchtay Posted August 29, 2018 Share Posted August 29, 2018 Howdy all, recently my ventilation system started only blowing when the knob is turned to 4, so it's full blast or nothing these days. Anyone else seen this before? Browsing the forums I've seen some people run into this with the Legacy and they mention a wire or switch below/behind the dash, but I can't find anything similar on my GL Quote Link to comment Share on other sites More sharing options...
czny Posted August 29, 2018 Share Posted August 29, 2018 Could be blower resistor triple in bottom of heater/AC blower on R side. Check bottom 2 15 amp fuses on LH side of fuse panel too. However, if its like my GL some contacts in fan speed switch have fried. Quote Link to comment Share on other sites More sharing options...
DaveT Posted August 30, 2018 Share Posted August 30, 2018 What czny wrote. Mine have usually only lost the lowest 2 speeds. I just fix the resistor. Quote Link to comment Share on other sites More sharing options...
Dee2 Posted August 30, 2018 Share Posted August 30, 2018 post any info on your solution if solved. I'm also interested in how to fix fan speeds. Quote Link to comment Share on other sites More sharing options...
el_freddo Posted August 30, 2018 Share Posted August 30, 2018 As mentioned - check the resistors in the fan ducting. There will be several wires that plug into this device. Check those and go from there to the switch etc. Cheers Bennie Quote Link to comment Share on other sites More sharing options...
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