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I just purchased a USA SD 70 MAC.My first USA engine purchase. I'm running DCC the problem with USA it's not DCC ready. I have the correct Digitrak decoder DG583S but, just a little unsure on the wiring. I understand pin 1 left track, pin 2 motor - , pin 3 not used, Pin 4 + common (?) pin 4 ground (?) , pin 6 not used, pin 7 motor + , pin 8 right track. Ok, wires coming from the motors and pick ups go to pins 1,2,7,8. Then do I run wires from those pins to the USA main circuit board? What about pin 4 common and pin 5 ground? Can someone one help me? I've hooked up no problem with Aristocrafts since it's dcc ready. I have a aristocraft with sound that I did. Sound would be next on the USA SD 70. I should be fine on that. Any sugguestions would be nice. Also is it going to be ok with the 5amp decoder? I've seen bits here and there with power drawl.
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