The only thing actually powered in the heating system would be the blower fan. If that's your problem, first check your fuse. If that doesn't solve it, then you'll have to check the wiring for shorts to ground, and the blow motor itself.
If you are looking for a valve in the heater hoses that restricts coolant flow, it does not have one.
A heater blower in a 2005 Chrysler Pacifica is a complicated process. To get this [project done, you will have to go to a mechanic and have it done.
There are multiple reasons why the passenger heater on a 2007 Chrysler Pacifica may not work. it could be a heater coil, a fuse, or the blower. A mechanic can help figure out the specific reason.
replace heater relay and or heater blower motor
It is inside the HVAC housing, under the dash.
check your coolant level
Check the Blower resistor behind the passenger glove box. I had to replace mine this winter.
Have you checked your coolant levels?Simply put, the heater runs by blowing past the hot coolant pipes and gives you warm air.
Look for two coolant lines going into the firewall. That's where your heater core is located.
Low coolant? Thermostat not opening? Control cable not working? Plugged heater core? Heater core "airbound"? Low coolant? Thermostat not opening? Control cable not working? Plugged heater core? Heater core "airbound"?
The pig tail to plug into is located on the driver's side near the battery.Find that and follow the cord down to the block.
That is an engine block heater. It heats the engine coolant.