2002 tundra... heat door flap opens, does not close till around 1500 to 2k rpm....

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caladin

Noob, but trying to learn
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2002 tundra... bought new off the lot, heat door flap opens mixing AC air in when I come to a stop, does not close till around 1500 to 2k rpm....

Acts like I'm backing the hot cold dial off about 50% every time I come to a stop... then back to full when I hit RPM (more voltage?)

First cold weather in a while, I'm guessing bad electrical, on an old Toyota, I assume the ground. Does anyone know where the ground for that circuit is located?

Is there another common issue I should look into that might be the cause of this electrical gremlin?

Does the fuze box need cleaning(That's what fixed my fj 40) ? Something else?

Thanks,

Eric-
 
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