Do you still have the control? I may need it if I do not have the same problem and cant repair the wires. Thanks.
Quote:
Originally Posted by wizzer
OK. I solved my porblem. Here is what hapened. The nut that holds the temperature control to thee front panel came loose. The knob and control started to wobble. This stressed the wires on back. Eventually 2 of the 3 wires attaching the temperature control to the cotrol circuit board broke. When the control knob was in certain positions one or both came into contact and the heat would come on.
I went to the dealer and they said "replace the heater contol unit." It costs $ 586.00 plus labor. I bought one from a junkyard for $ 75.00. I removed the bezel which surrounds the whole unit by gently prying it with a couple of screwdrivers. Be very careful not to sccratch the dash. Once that I saw that all connections to the back were electircal (3 plugs) I removed the old one. I opened it up and saw the broken wires. I soldered them, reinstalled it and it works fine now.
Anyone want a Heater control unit for a 2001 - 2003 Highlander for $ 75.00 plus shipping? It comes with the balance of the 30 day warranty.
Pictures attached.
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