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I was having the same problem with a dead climate control module after disconnecting the battery on my 2002 v70. i tried (one method that sometimes works for people) disconnecting the battery again, shorting the leads for 10 seconds, and reconnecting with the key at position 2, to no avail. I managed to get my climate control back again when I jump started the car after the battery conveniently crapped out. then i got a new battery and when i installed it the ccm died. i jumped it again, with the new battery still hooked up, and the ccm came back. it's something try.
Hello! it's my job to make things as easy for the customer as possible...Therefore I must ask why you want to replace the heater switch? Is it because you have lost one or two of the switch speeds? Your vehicle is noted for loss of the Blower Motor Resistor... Changing the Heater switch means removal of the Climate Control Assembly which is not the easiest of jobs...I've included the process...But are you sure the blower resistor is OK? If you have lost 1,2, or all blower motor speeds it's more than likely the Resistor pack. And a lot easier to change... Guru...saailer
Remove climate control:
Remove the instrument cluster finish panel...
Remove the 3 climate control assembly screws...
Disconnect the climate control assembly vacuum connector...
Disconnect the 5 climate control assembly electrical connectors...
Almost sounds like your climate control switch is bad as it controls everything including the switching and blower speed with the exception of the blower speed being a blower resistor issue (allows multiple speeds).
Pull the instrument panel console bezel forwards and disconnect the electrical connectors.
Detach the temperature and air distribution blend door Bowden cables from the climate control assembly.
Remove the climate control assembly.
Install or connect the following:
Climate control assemblyBowden cables to climate control assemblyClimate control assembly electrical connectorsInstrument panel console bezel and securely tighten the screwsAudio unitNegative battery cable
Climate control need to be reset, turn all functions off and set all switches to CCW position. Disconnect battery for about 10 minutes, reconnect battery and don't touch any controls for several minutes. You may hear the climate control cycling at this time.
You may be able to find a knowledgeable parts man at the Ford dealership to show you the Temperature sensor you need to replace under the dash. There is also a self-diagnosis code that can be read by a Technician from the digital dash display of the Climate Control. But you need the codes to verify. It is a quick process to diagnose, but getting to the part may be hard. You do have more space in a F350 though.
I had the identical problem with my Lincoln LT (F150) in a drive from New York to Detroit. Thought my shoes would melt with the heat on or freeze without it.
if you have manual control climate control then the system has a blower motor resistor . if you have automatic climate control then the system has a blower motor speed control. in eather case the part is under the dash in the heater box. depending on the system you have, buy the part and then look under the dash for like part, you will half to remove the under dash panels to be able to see. the part will be on the heater box somewhare.