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· Premium Member
7,049 Posts
Has anyone checked the wiring from the blend door to the control head? Sounds like a wire is messed up. Check the ground wires and then do a continuity check between the connectors at the blend door and the control head. You may need a wiring diagram for this. If you do not have one then I may be able to look one up for you. If you need one please let me know.
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