On 07/03/2020 09:32, Rod Speed wrote:


"Jim Stewart" wrote in message
...
On 07/03/2020 08:46, 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.

what is used then ? .....

A decent modern electronic control.
that is good because these resistors fail regularly...doing mine when I
get home on Monday.....until then I either freeze and can hear the radio
of I can't ....