Thread: auto heat
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timspu timspu is offline
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Join Date: Jul 2012
Location: Devon. UK
Posts: 218
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i had a similar issue, when selecting the window defrost setting max hot the footwell blowers would come on and then switch off once the aft heater valves had fully opened and the motor in the heat controller went to max travel. In my case it appeared the heat control unit was wired incorrectly. The micro switches were wired the opposite way round. When the motor control arm depressed the microswitch this removed 12volts and switched off the blowers instead of keeping 12 volts to power the blowers. i swapped the wire onto the next terminal on the microswitch and it all works fine.
Old 01-30-2014, 05:08 AM
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