not sure this will help but, when you pull out the knob on the dash panel for the hearer it will seem like it only comes out to about halfway but if you keep pulling on it ,it will come out even further,opening the outside vents.
the heater blower fan is in the heater housing assembly on the passenger side. You need to take out the whole housing assembly in order to access the blower.
Yes. It has a heater core in the dash that has air blown over it to heat the passenger compartment.
The heater core or connecting hose is broken.
Under the hood, on the passenger side firewall, close to the passenger side fender.
I have a jeep Cherokee of that year and I believe that what you are refering to is a spherical thermometer and horn assembly.
behind passenger side headlight assembly under the plastic housing
Below the passenger side head light assembly.
because your heater core has a leak or the hose is broken
It is located inside of the heater housing under the dash on the passenger side.
the heater core has got a hole in it or your top has a hole init. If the water is green it is your heater core. if not it is your top.
You will need to replasce the heater core.
Heater core