Yes It is possible "if" you have Forscan & are mechanically capable (and willing) to do the needed wiring changes, I just did this mod myself yesterday, see post #18 from 16F150 at the link for detailed info.

https://www.f150forum.com/f118/2107-...377802/index2/

archerrj

 

Thanks, I am no expert on wiring so I might have to ask around my area and find someone who can help. I will read that thread more and try to figure it out.

 

Totally understand, as I noted in my comments on the linked post, the hardest part was getting the brown #7 pin out of the harness connector, but still manageable. Youtube has directions on getting the control bezel off to gain access to the wiring & I would bet that you could find a video on directions on how to remove the pin from the harness, or check with an aftermarket radio - remote start accessory shop, The actual "new" wiring needed is very straight forward, you just need to extend the #7 wire to a new switch which is then connected to a body ground. I mounted my switch to the lower right of the OEM lighting control, where I could still easily reach it, good luck
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archerrj

 

If you don't care if its mirror or window defroster you could add a rear window defroster a lot cheaper and easier. Did a quick search and found this depending on size looks like it would be around $60-70. I have no experience with this company and I'm sure there's others out there if you search:

https://www.frostfighter.com/clear-v...ters-about.htm