I am thinking about getting an AIU to go with my DCS system. I have the gas station, Mels Diner, Operating Freight and Passenger stations, Gateman Shack, and the Building on fire sturctures. I took a look at the operators manual and it seem confusing as to how and hook up the power to the wires for accessories with 4 and 5 wire hook ups. Are there any publications out there with better instructions? I don't mind buying it if it really helps.
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