2002 Chevy Avalanche, Blower Motor Resistor needs replaced every 6 months

Asked by klt316 Jun 29, 2019 at 02:25 PM about the 2002 Chevrolet Avalanche 1500 RWD

Question type: Maintenance & Repair

2002 Chevy Avalanche, I have replace Blower Motor Resistor about twice a
year. Heat eventually melts wires and connector. Thought the heat sink
should be inline with A/C air keeping it cool... but with the BMR not screwed
in, and the A/C on, there is HOT air passing thru that duct. Hot resistor with
hot air passing over the heat sink doesn't sound like it will last long and it
doesn't, about 6 months. Is this the way it's supposed to work?

1 Answer

klt316 answered 5 years ago

I actually replaced the blower motor and fan along with the wiring and Resistor the first time the Resistor connector melted... still melted about 6 months later... I still replace BMR about twice a year... I wonder if the air passing thru the air duct that is supposed to assist cool the heat sink and thus the resistor is supposed to be hot?

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