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Old 10-29-2020, 09:57 PM   #5
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Join Date: Apr 2016
Location: Cypress, TX
Posts: 2,209
Re: A/C blower motor relay

Well since the relay is used for the high speed fan position, I would expect the brown wire would run nice and cool with the fan on high speed. Perhaps it could be warm in the low and medium speed positions. I haven't heard of the notorious hot brown wire before, but I know my fan switch connector was melted and fan switch was bad before I replaced those 2 parts.
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