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Speedy Jim

wrote:
Following up on my register temperature issue yesterday.

A couple of people have suggested to look at blower speed. Mine is set
to, "Don't stand near the cold air ducts, you'll get sucked in!" That
is, the fan seems to be running at high speed when the furnace is
running.

I can find no fan speed control, either on the unit itself or at the
thermostat.

As Art noted, the motor probably has a number of leads brought out
for the various speeds. They will be color-coded.

Look on the door panel or inside the furnace for a wiring diagram
which will show the connections.

Jim