The mask that I tell you, is when you are in front of the vehicle between the two spotlights there is a small mask that is fixed with two DIES bolts, the challenges and triggers and there is like a plastic grid, it reaches the bottom where the wanted one is located where the hood opens. If sir effectively has three relay but only one commands the switchboard, try this one that I tell you, if it is okay it may not work well the switchboard, usually I install this type of vehicle an aim system that is not complicated to do and turn on and turn off only the electrventillator, it is not complicated to do if you do not find a solution you let me know and tell you how to realize it as it is. The BCI and is complicated to repair but I think they do it in Spain