UPDATE:
Took the Tahoe for its first long drive since installing the TPMS Delete. 140 mile round trip and within the first 30 miles my "Check Tire System Monitor" message came on. After driving another 5 miles it went back off. This happened once more on the trip back home, I checked the DIC and their was no tire psi readings. After a few miles down the road the light went off and tire psi displayed on the DIC.
The box is riding on the transmission hump only a few feet away from the tpms receiver. Im going to go ahead with my original plan and install the units transmitter and power supply I bought for it in my own box. Im going to install the box closer to the receiver and hope for the best. If this doesn't work, Im out $120 bucks and I officially throw in the towel and buy TPMS sensors.
Pretty bummed out. I bought this TPMS Delete to turn off the light, not turn off the light sometimes. Im pretty sure the seller "rides out" his 14 day return policy by only partly answering questions once every 24 hours. I thought this may be due to a language barrier but Im skeptical. I keep getting answers back like:
"I assume the unit is plugged in at all times when this is happening ? Next time this happens try shacking the unit manually and see if the truck receives the readings and let us know if it works. In the meantime we will check with our technical team to see if anything else can be done."
...yeah dumbass, its plugged in. and no, Im not going for another 140 trip anytime soon so I can try "shacking the unit" while Im driving! If I do, Ill be arriving at your doorstep in Canada, its right next door to me...and we will try this "shacking" thing out together....!!
ummm ok that didnt sound right,..but you get the idea.
Stay tuned.