Heater/AC Blower
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Joined: Feb 2011
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Heater/AC Blower
OK guys, have a fun problem here. Replaced the blower motor today on my 91 150, had an awful rattling sound. Easily enough, this fixed that problem. Decided to tackle the blower motor resistor after that because the blower was only working on high. This is where it gets interesting, the resistor went in with no problems, and the blower works on all speeds now, but the problem is that air only blows through the defrost vent. I have tried it on heat, ac, vent, defrost, still, the lnly place it will blow is through the defrost vent. Any ideas?
