The 16196395 will probably do the job. The 16197427 is the one more commonly used. All the files needed and some 700R4 info are in this thread:
http://www.gearhead-efi.com/Fuel-Inj...Information-OD

Here's the wiring needed for ECM to PCM swap:
http://www.gearhead-efi.com/Fuel-Inj...out-Directions!

I think why your getting mixed results is the 16188816 is a EPROM Part number.