2008 Mercury Grand Marquis Questions

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When I turn the air control switch to any position defrost, feet, vent ac they all work except just blows out hot air. even with the cold hot switch on cold.
It's out and I tried disconnecting the battery but it doesn't help!
Had this problem with a previous grand marquis and it quit closing. Think it is the actuator or solenoid, but not sure which is actually in this trunk. Went to the Ford place and they said I had to replace the whole...
it was full with no leaks, But when I turn my control module on max a/c or normal a/c it blows hot air, what could be the problem?
not only are my instrument and radio illumination going off and on intermittently but my automatic door locks wont lock when i pull off. also my remote door lock wont lock or unlock my doors or pop open my trunk. now ...
the ones that were burnt out i replaced but still doesnt seem to be getting a charge from either charging outlet and ideas?
for check of ignition,battery,everything checked out,my keypad on my door wont unlock now,the automatic door locks wont lock or open when the driver button is pushed. my windows work fine but the trunk button wont pop...
the door keypad same way wont work,have to use key also on the turnk to open. checked fuses underhood and inside some were replaced but still having same problem
Here is the process I used that worked for another person on this site but doesn't appear to be working for me: Press at the SAME TIME, "OFF" & "FLOOR" , then Press "AUTOMATIC". The Display will turn a digital circ...
I have checked the fuses and they are OK. I would like to know the module that controls these locks.
The door and trunk locks have to be unlocked manually--the remote does not work.