@Dtrainmaster posted:...
I had made 4 application diagrams for these: A-U, U-A, Power Supply, and a second version of U-A to enable the same polarity switching and use with, the A-U model. But due to the plethora of differences we encountered, I will leave it for those comfortable with tracing out their particular unit, and making a couple of board level changes to fully use the relay.
Right. Note that even the original problem regarding a 148 dwarf revealed (well, it was new to me) that Lionel made at least 2 versions of the 148 apparently using the SAME model/SKU number. 
The wiring requirements differed. So like the 153IR, when I next see a post with someone having problems wiring up a "simple" 2-aspect dwarf I must remember to ask..."which version do you have?" 
@Dtrainmaster posted:From the beginning, my only goal was to solve the original problem that the OP (remember him?) presented. To be able to use more than one of these to control 2-aspect signals, or accessories requiring two powered positions (within the power limits of this device), without adding relays, etc.
Your idea was particularly interesting to me since this applies to the 5-wire crossing gates...where you have two 153IR's - one on each approach direction to the crossing. The crossing gate "problem" comes up rather frequently on OGR.
@Dtrainmaster posted:... and I just got the last bag of popcorn from the concession stand, nothing left for me here.
Yeah, that's the bag where the kid at the concession stand scooped up all the un-popped kernels. 
