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I have a '98 Mk1 406 with Climate Control. There is a problem with the heater/colling fan in that it pretty much doesn't work. If you set it to auto, nothing turns. Only if you set the control on manual to full speed does the fan kick in, but that's not every time. If it doesn't work, then i can force it by truning off and on the ignition / electrics.
So far I have changed the heater fan and heater fan control module attached to it, and have also changed the control panel on the which i believe to be the ECU for the system too. Sometimes when I have taken these parts out and replaced, the system may work for a very short time, but if you stop the car, lock up, and come back to it later, the system will be virtually dead again.
Any ideas what I can try next bar taking to to a dealer?
So far I have changed the heater fan and heater fan control module attached to it, and have also changed the control panel on the which i believe to be the ECU for the system too. Sometimes when I have taken these parts out and replaced, the system may work for a very short time, but if you stop the car, lock up, and come back to it later, the system will be virtually dead again.
Any ideas what I can try next bar taking to to a dealer?