Blower Heater Problem

[Phewzd]

Hello all PT'ers

My Question is it got really cold here and I plugged in my car at night
The Heater blower was pushing the air in the cabin fine in the morning but later afternoon I went to pick up the little one at school and the heater blower will not turn on. When I do try to turn it on the lights dim just a little even letting the car idle to warm up will not do anything -thermostat works fine, (the rear defroster works) but not the main blower. Could this be the resistor block? if so I'm trying to locate where it is.

2007 automatic PT Cruiser

[quicksilverdon]

It's the same blower for heat and A/C. I say try all postions of the fan - including A/C. As far as I know, the resistor block controls the fans speed, so by trying all speeds you ought to find one that works, unless the blower motor died.
Try all positions - feet, defrost, etc., in case one path is blocked for some reason.
The fact that the lights dim a bit suggests you didn't blow a fuse, because if fuse blew, the lights would be unaffected.