If you have climate control check the blower module. The power wire mounted on it's circuit board overheats. The module is located on the firewall under the glove box. Check module and see if the power wire is burnt. You can get an repair kit from the dealer to fix it.
The ground clearance of the 2001 Jeep Cherokee is 0 ft. 8.1 in. (8.1 in.).
Under the passenger side dash, just behind the glove box....
The ground clearance of the 2011 Jeep Grand-Cherokee is 0 ft. 8.7 in. (8.7 in.).
The ground clearance of the 2004 Jeep Grand-Cherokee is 0 ft. 8.7 in. (8.7 in.).
The ground clearance of the 2014 Jeep Grand-Cherokee is 0 ft. 8.6 in. (8.6 in.).
A loose connection at the motor and/or bad ground at the blower motor. If it is getting current then the motor may have a bad spot/ high amp draw and need to be replaced.
Check the following................ 1. Power and ground to the blower motor. 2. Blower resister. 3. Blower switch.
The ground clearance of the 2001 Jeep Cherokee is 0 ft. 8.1 in. (8.1 in.).
Under the passenger side dash, just behind the glove box....
The ground clearance of the 2013 Jeep Grand-Cherokee is 0 ft. 8.6 in. (8.6 in.).
The ground clearance of the 2010 Jeep Grand-Cherokee is 0 ft. 8.2 in. (8.2 in.).
The ground clearance of the 2007 Jeep Grand-Cherokee is 0 ft. 8.3 in. (8.3 in.).
The ground clearance of the 2003 Jeep Grand-Cherokee is 0 ft. 8.7 in. (8.7 in.).
The ground clearance of the 2005 Jeep Grand-Cherokee is 0 ft. 8.5 in. (8.5 in.).
The ground clearance of the 2008 Jeep Grand-Cherokee is 0 ft. 8.3 in. (8.3 in.).
The ground clearance of the 2002 Jeep Grand-Cherokee is 0 ft. 8.3 in. (8.3 in.).
The ground clearance of the 2006 Jeep Grand-Cherokee is 0 ft. 8.5 in. (8.5 in.).