the blower fan resistor has gone bad.
The blower motor is failing and drawing too many amps.
Blown fuse.
The blower motor speed resistor is probably burned out.
where do i find the low side service port on a aztek
23
I dont belive the aztek has one think only fords have those
.059
by taking the cables out
tHERES A RELAY BEHIND THE GLOVE BOX THAT BURNS OUT THAT MUST BE REPLACED.
Your Aztek heater core is dead center of the car behind the dash/floor console.
The blower motor resistor is bad.
Probably the blower motor speed resistor is partially burned out.