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The Mercury Cougar blower motor is located on the firewall in the engine compartment. The blower motor can be seen on the passenger side of the firewall.
open your glovebox, release the hydraulic arm from the right side of the glovebox. Next, lower the glovebox by pulling in left side. In front of you is the blower motor. To the left of the blower motor is a set of wires that are plugged into the Resistor. Unplug and unscrew to remove Resistor.
In the black box right beside the battery. There are 2, a high speed and low speed relay.
It is probably the resistor. I had the same problem with my 99 Cougar. It is located on the passenger side under dash. Check with Ford. I think that this part was recalled.
Blown fuse, defective blower motor resistor pack, defective blower motor, or loose or disconnected wiring.
Remove the glove box. The front blower motor and the resistor can be accessed from there.
A malfunctioning blower motor resistor will cause the blower motor not to work. When the resistor is bad the blower motors will not turn on.
There is really no method to "check" the resistor, text by substitution.
The a/c heater blower motor resister is located in the vehicle on the passengers side inside the housing next to the blower motor...............Remove the blower motor resistor wire harness connector.Remove the blower motor resistor screws.Remove the blower motor resistor.
A bad heater blower motor resistor would effect one or more blower speeds other than high.
If the blower works on some speeds and not on others, you may not need a motor. Instead, you may only need a new blower motor resistor.
Resistor is a separate unit from the blower motor