That sounds like a blend door problem.
No. one heater core, two airflow control doors. Called blend doors, very prone to breaking.
Under the hood, on the passenger side firewall, close to the passenger side fender.
Frame rail on either the driver or passenger side.
Heater core
The 2002 Jeep Grand Cherokee driver's seat heat fuse is located under the dashboard in the fuse panel. There is a secondary fuse panel located in the engine compartment as well.
Yes. Only Front for driver and right front passenger
Left side of the car (driver side).
4.7L it is on the front of the engine, driver side. 4.0L it is on the passenger side of the block.
The HeaterTreater is an after market kit that solves heater and AC for the Jeep Grand Cherokee and Laredo. It is much cheaper than the dealership fix and is easy to install. For diagnosis and info, check out www.heatertreater.net or search eBay for "heatertreater".
The battery on a 2014 Jeep Grand Cherokee is under the passenger front seat.
1985-1996 Jeep Cherokee XJ should interchange 1997-2001 Jeep Cherokee XJ should interchange
The HeaterTreater is an after market kit that solves heater and AC for the Jeep Grand Cherokee and Laredo. It is much cheaper than the dealership fix and is easy to install. For diagnosis and info, check out www.heatertreater.net or search eBay for "heatertreater".