The blower may simply have burned out. If the blower is out then the heater probably still works.
Most likely a bad heater core
Only the blower motor not working.
under the dash behind glove box
Dis-connect the battery, and wait a couple of minutes before you start working on it.
A bad heater blower motor resistor would effect one or more blower speeds other than high.
Blown fuse. Burned out blower speed resistor. Faulty blower switch. Bad blower motor.
Could be the switch or the resistor and or the fan itself , There was a recall on this but to late to get it now , All are easy fixes
There is no heater blower is a Honda. The heat created on the air condition system is heated up through a heater core. If there is no heat coming out then the heater core will be the culprit.
The heater blower may not be working properly. Without the heater blower working, the air will not come through the vents.
My heater / ac blower is not working, please advise.
the switch, or the blower motor resistor, or blower motor usually it the last two at one time
autozone has pictures and directions on how to do this online remove panel under/behind glove box pull down on plastic tab while twisting counterclockwise then unhook electrical
The most likely problem with the heater blower on your 2003 Sable is the blower resister. The resister can go bad and cause you to only have one speed.
Remove the glove box. The front blower motor and the resistor can be accessed from there.
Blown fuse, bad heater blower motor control switch, bad blower motor, or a bad blower motor resistor pack.
Blower motor fuse is blown. Blower motor resistor burned out. Blower motor switch bad. Blower motor bad.
Look behind the glove box. under dash.
If the heater does not work, check: -heater fuses and/or any heater relays -heater control head -heater blower motor resistor
Blown fuse? Bad blower motor? Bad blower motor resistor? Bad blower motor switch?
Check fuse if the blower is not working. If it is then replace your heater core. if its not then replace your fan switch.
blower motor bad or no power to it chech fuses blower switch blower motor
the heater blower resistor is located on the passenger side footwell near the firewall. a complete how-to replace the resistor, along with photos is available on newcougar.org http://www.newcougar.org/forums/how-tos/3732-fixing-heater-blower-resistor-install-photos.html