Lionel UCS Control Track question

I have several UCS tracks that need to be rewired.  Or should I say, the controllers need to be rewired.  I followed the example of one that was already wired and soldered a new four conductor set of wires to it.  While the unload button activates a cars unloading mechanism perfectly, the uncouple button only gets a weak response and will not draw the uncoupler plate down, on the bottom of the truck.  

For some reason my brain is getting the proper order of the four wires.  Here are some pictures of the existing controller.  Notice the order of the wires.  If you flip the controller over, the left most wire would be the one that goes to the far left screw on the UCS track.  For some reason the magnet on the track is not getting a strong signal.  

 

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Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

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Will do, thanks Rob.  But I was wondering if I can make my own controller.  To do that I need to understand the circuitry.  So to activate the uncouple magnet, which screw terminals would have to be connected to a momentary push button switch ?   Likewise, to activate the unload rails, which terminals get connected to a momentary switch ?

Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

Well I did the repair work today with a clear head.  All is working according to Hoyle..........Thanks for your help Rob.

Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

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