Ray:
I agree that trying to look at a laptop while driving is very dangerous. As I noted, “You can have your co-pilot watch the readings or you can simply log the data to the hard disk for later viewing.” I certainly did not imply that one drive around with the laptop sitting on the dash. You use it as a test under the most adverse towing conditions to determine if your cooling is adequate. Then you can tow at ease knowing that the transmission temp is OK. It's a one shot test. I had a 2500 Chevrolet truck with temp gauge. Once I had watched it under some heavy towing, I rarely ever looked at it again. But a temp gauge, as you have, is obviously the best solution. Most serious TV's have such a gauge. However, I suspect that many people towing TM’s do not have a transmission temp gauge and may be damaging the transmission unknowingly. My suggestion was for those who would care to check the transmission temp and have a device which has other DIY uses.
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