Electric Cooling Fan Installation

I installed a set of Flex-A-Lite model 250 electric cooling fans in my truck. They increase my gas mileage and engine power output. I also installed a Variable Speed Controller, which runs the fans faster or slower depending on the radiator temperature and AC compressor state. Here are some pictures:

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Here are two movies of the fans operating:

Fans 1 (1.35 MB WMV)
Fans 2 (730 KB WMV)