low coolant? Bad thermostat? Climate control not sensing proper temperature? Heater core plugged or restricted? Heater core airbound?
FUSE!
after purchasing a product to plug the heater core, it was recommended not to do it as it may cause damage to other areas. It takes an experienced person and all the coolant must be drained from the radiator etc.
Was it coolant? Possibly a leaking heater core.
could be the blower motor, a fuse, or a bad wire.
About halfway down the side of the radiator on the passenger side.
It could be someting as simple as needing Anti Freez.
OK, did the blower motor actually just stop, or does it still blow but no heat?
Yes its electric . Bottom of radiator right side.
Check coolant level
broken system... usually abs sensor wiring since it's exposed to the elements
mercury villager heater core 2001
Low coolant in the system. Defective heater control valve. Clogged heater core.