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Messages - Leathem

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1
General Lionel Model Train Discussion / Re: fastrack switch causes crosslink between track and independent power supply
« on: November 30, 2015, 08:47:23 am »
How's this for strange: I powered up the switch using Aux In an Aux GND: no results; I changed the wires to Track Jumper and Aux GND and the switch worked perfectly - also, no power went to the rails. It seems to me that the switch is wired incorrectly internally, with Track Jumper and Aux In internally reversed. Is there any reason I shouldn't just go with the present wiring, i.e., power supplied to Track Jumper and Aux GND?

Leathem

2
General Lionel Model Train Discussion / Re: fastrack switch causes crosslink between track and independent power supply
« on: November 29, 2015, 10:27:24 am »
Hi Larry,
Thanks for the quick reply and the welcome. I have two switches in this layout. I checked them both, and one may be the problem. I did a continuity check and found that on one switch the Aux In terminal connects to the center rail on the track (the Aux Gnd connects to the outer rail as expected). Oddly enough, on that switch the Track Jumper terminal doesn't connect to either rail. I'm guessing that the crosstalk came from here, with the Aux In taking power from the track to supply the lights. Does that make sense? Do I need to send the switch in for repair or is this a simple fix?

Also, thanks for the heads-up on phasing. I hadn't thought that one through enough. Fortunately I haven't connected up both transformers yet. I'll review the wiring to make sure both transformers are connected in parallel.

Leathem

3
General Lionel Model Train Discussion / fastrack switch causes crosslink between track and independent power supply
« on: November 26, 2015, 11:57:48 am »
I am wiring up a new layout and want to use a separate transformer to power all accessories (lights, switches, uncoupling track). I followed the directions with my fastrack switch to set it up for auxiliary power (remove track jumper, connect "aux in" and "aux gnd" to auxiliary power line), but now I'm finding that somehow the track power is getting to the accessories. How can I isolate the two circuits?

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