In article ,
Rod Speed wrote:
Jim Stewart wrote

I take it car blower resistor packs are cooled
by the airflow of the fan they are controlling....?

Unlikely they use resistor packs anymore.

my Peugeot 505, early 1980s vintage , used an OCR 35. I suspect the rest of
the world has caught up by now.

--
from KT24 in Surrey, England
"I'd rather die of exhaustion than die of boredom" Thomas Carlyle