12v Solar Panel Wiring Diagrams for RVs, Campers, Van’s & Caravans
West Mountain Radio
Passive Cooling Techniques
The pins can be crimped if you've got a tool that's up to the job however I used a small pencil blowtorch and soldered the cable into the pins instead.
The fan draws 4 amps, and the company says it will run directly off a 60 watt solar panel.