Though the degree of cooperation differs between alliances, airlines alliance is more helpful for small airlines. There are three major international airline alliances namely SkyTeam, Star Alliance and Oneworld. One of the modern alliances is that formed by cargo airlines.
The top terminal should be connected to wire #18 (low beam), the bottom right to wire #17 (high beam), and the bottom left to wire #91 (headlight to ground). I purchased my lights from a local shop, but I found that Susquehanna Motorsports has a web page with competitive prices and a nice write up about the lights.
Once the low terminal has been located, you can then proceed to adjust all other diffusers/grilles (air) or circuit balancing valves (water) to proportiantly match the original low terminal.There must be at least one terminal that is wide open to achieve optimum efficiency.