legacycentral bbs

Bumping this back to the top. It's been a long time, and new hot weather has the problem getting worse. Does anyone have any suggestions about knocking together my own manual fan speed controller? The blower motor works fine, so I basically want a dial controller that I can mount on an empty spot on...

Alright, I took the HVAC control unit apart, took the circuit board to an electronics shop to have all the connections resoldered, and the same problem still exists. My next try at fixing it will be to replace the blower motor relay - even though there aren't normal symptoms of that being the proble...

I will give that a try. For your re-soldering, did you simply touch the iron to the connections to have a little bit of melt secure the connections, or did you completly remove pieces from the board and redo them completly? How can you tell which connections need to be resoldered - is this work that...

I've got a 1991 Legacy that is having some intermittent trouble with the HVAC fan. Whenever I start the car and the HVAC system is already selected some kind of ventilation, I have no trouble with the fan or temperature controls. All temps and all fan speeds can be switched back and forth. Whenever ...