I found that mine (appears to be the same thermostat) only requires some patience I thought mine wasn't working until I had it on and got side tracked on something else and it finally started up. Turned out it needed a little time to think it over before starting up.
Dale & Terri, Lulu & Tiki (our Chihuahua's), New rescue puppy Prince - Pom/Pug mix.
2013 Tundra, Double Cab, 5.7, TRD Off-Road, 4X4, Full Tow Package
2013 Wildwood T26TBSS - Sold
2000 Gulf Stream Sun Voyager M-8357 MH, Ford Trident V10 Gasser, 35 foot.