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I have a 2003 F250 7.3 Superduty crew cab pickup. My vehicle did not come with auto-down function for the drivers window. I purchased an auto-down switch and fitted it, but the auto down function still is not working. I am trying to ascertain whether there is an additional or different relay that is required to make the auto-down function working.
I would appreciate any information to sort this out.
My email is leon@willworx.com
My skype is leonskiau, Adelaide, south Australia.
It stands for "Generic Electronic Module". It's kind of a "computer" for body functions. As Torky 2 said, for specifics on that F-250 just skip over to that forum. They will probably know right away....good luck!