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I know you probably already checked this, but when you set up the TCI on the handheld unit, it asks for Tire size and gear ratio. I couldn't find the tire size for the stock HMMWV tire on it. I entered 3FT diameter and 5.12 gear ratio considering the differentials and the geared hubs. The TCI...

If your comments aren't helpful, why bother writing them? Simply stating that the TCU I purchased was half the price of a Military TCU, not the overall project. I'm just trying to help anyone else that may run into this issue in the future.

I was able to get a perfect signal from the crankshaft position sensor to the TCU. Thanks for the help usmc81301.

I have a 60 amp alternator I used from the 6.2L engine. I reused all the accessories from the old engine. No need to replace good working parts. The motor runs great, I just am needing a reliable engine RPM signal for the TCU to read.

I recently swapped out the engine and transmission in my M998. Went from 6.2L and Turbo 400 to 6.5L Turbo and 4L80e. I wanted to save some money on the Transmission control unit, so I purchased TCI's EZ-TCU after researching it. I need to get a reliable RPM signal from the engine. Some people...