Its pretty much under the floorboard of the passenger side. Start ripping the carpet up where the passenger puts their feet and you'll find it.
Have the coolant system pressure tested, the pressure test will increase the coolant leak.
The condensor drain tube is clogged. Find the drain line and unclogg it.
It's under the carpet at the front passenger floorboard. Pull up the carpet a little from the top and you'll see a small glass window directly on the floorboard in the middle which contains a flashing red light when the key is on accessory mode. Count the flashes to find the trouble code.
How To Find & Fix Coolant Leaks http://www.aa1car.com/library/coolant_leaks.htm
If it is just water and not coolant, then more than likely the A/C drain line is plugged. Crawl under the car, passenger side, and find the drain line near the firewall and unclog it. If it is coolant then your heater core is leaking and needs replacing. Test the water and if it smells or taste sweet it is coolant.
It means you have a leaky heater core. You may also find the front passenger floor wet with engine coolant.
you have to find where the leak is first.
Losing coolant in a vehicle is not a good thing. It is best to check all seals and all bends in tubing.
If you are sure it is water and not coolant, then the A/C Condenser drain line is stopped up. You will find it near the firewall on the passenger side. Look for a tube under the Jeep. If it is coolant, which will taste sweet, your heater core is leaking and must be replaced.
Are you sure it is not transmission fluid? Oil in the coolant would indicate a bad head gasket
It is under the passenger side floor board. To get to it, remove the floor mat. The carpet is attached to the floorboard by velcro at the top. Pull the carpeting down, and the plywood floorboard is visible. There are 2 Philips head screws, and two large flathead plastic screws. Remove them, and pull on the plywood. You will find the DME (fuel injection) and KLR (ignition) control units attached to a metal frame below.
One can find information on Coolant fans many places. You can find information on Coolant fans from advertisements, such as commercial's. You can also find information online including there primary site.
IN THE WATER JACKET.
Find the Engine Coolant tank on the front passenger side of the engine bay. Look straight down into the gap/space between the Engine Coolant tank and the main engine block. You will see a small tube-shaped oil filter sticking out from the bottom of the engine block area. On the 4.0L it is on the passenger side of the middle of the block. On the 4.7L it is on the driver side front of the engine.
Water, not coolant? The only place plain water can be found on a car is when it condensates from the air conditioning, if the drain hose is plugged it will overflow into the passengers side floorboard. Get a piece of wire and find the tube under the car at the firewall and unplug it.
check your coolant level. most times its from a coolant leak in the system.pressurize the cooling system to find the leak.
You have a leak either around your windshield or in the firewall. The best way to find the leak is to bring it through a car wash and watch it
There will be a model and serial number plate where the floorboard meets the dash.
At the firewall on the passenger side
It is about 18 inches from the floorboard on the pass side firewall inside the cab.
You can find a passenger list at Encylopedia Titanica.
pressurize the system. that'll make the leak leak faster and you should be able to find it easier.
It is called a Heater Core not Cord. It is located inside the vehicle mounted on the firewall on the passenger side. It is buried behind the dash components. If you raise the hood and look on the firewall, passenger side, you will see the inlet and outlet coolant hoses connected to the Heater Core.
You can use universal coolant which you can find in any auto parts store, or you can use a coolant for Japanese card, or you can go and get coolant at a local Toyota dealer.