Electrical Problem
I also posted this on a Ford fourm but I know there are some electrical guys here. See below: This is one for the electrical gurus. 2008 F250 crew cab 6.4 with about 170k miles if this even matter...
Forum Discussion
The only item that should/could be in the air box, is the resistors that allows the fan speed to be changed.
Some debris could have gotten on to the resistor as most are open wire type.
Some debris could have gotten on to the resistor as most are open wire type.
