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
location of relay blower motor 1997 Mercury mystique
There is none - usually it is the module in the top of the heater / blower box (resistor module) that is the problem.
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.
It's on the fuse panel under the right side of the dash.
Look under the dash on the passenger side
2004 ford expedition front blower not working
Did you already replace the heater blower resistor? I only paid 30 bucks for a replacement at Cut Rate Auto Parts. Mine was rusted and broken.
Had same problem in 2002 Pontiac Gran Prix. The blower motor has two parts, one for settings 1-4 and one for setting 5. This was a sensor problem, not a fuse problem. Dealer service writer was familiar with problem. Repair about $110. at dealership
The resistor is located on the duct work under the dash. Sitting in the passenger seat facing forward it is to the left of the blower motor mounted on the duct work firewall.
See related link. Click on Owner Guides The owners manual ( which includes the fuse panel diagram ) can be viewed on-line
The fuse for the abs system is blown. Check under the driver side of dash for the fuse panel.
Replace the blown fuse. You can put it in gear manually by sticking a small screwdriver in the slot on the right side of the console.