I just got done fitting a Ford electric fan into a stock Ranchero shroud. The fan came out of a Lincoln town car and will be large enough to cool my 5.0 build especially since I'm not running A/C. It measures 18" across the blades and really moves some air. My question concerns using a Ford fan module to get the variable speed depending on the coolant temp. My yard folks showed me a bunch and they are letter coded to match the right fan. The fan I got has these numbers on it PA66 GF+M -38 and ARMC P/N 0218.0280C. Is there anyway to find out what module to use with this fan? The town car is long gone and they don't even remember the year it was, but this car had the engine driven fan along with the electric one?? The leads on this baby are large, maybe 10 gauge.