What I have mentioned on one of the other chat boards is that our club is using inexpensive ($10 for 2) DC Volt/Ammeters that we bought from Amazon.? We install them between the DC supply and the command station.? While not perfect they get you most of the way there.? The command station and throttles by themselves draw very little current so almost all of the current reading shown on these meters are what your locos are using.? What we have found is that it gives a pretty good reading but remember that loco current draw is not a constant but is varying all of the time so no matter what meter you are using you will only ge an approximate reading.
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Good Luck,
John Moonan
