I did this mod 2 years ago and it really made a difference in stabilizing the temp. So easy, even a hack with 10 thumbs like me can install it in a few minutes.
2014 Jayflight 24FBS Elite. 2009 F150 Supercab, 5.4L ,3.73, HD/Max Tow Package, Equal-i-zer 1K,
Progressive EMS-LCHW30, TST 507RV TPMS, Hydro Life HL-200, Maxxis 8008.
Best friend wife and dog Cooper. RETIRED 6/30/16. WOOHOO! Now the "endless summer".