16 Volts gone awol

Sounds like somewhere there's a break in your circuit. If you can get a hold of an ohmeter (resistance measurer) you can use it to check parts of the circuit to narrow down where the break is (low resistance = OK, high resistance = you found it!).

Instead of an ohmeter, you can rig up your own checker, using the power supply you already have (which sounds like it works).
Run a couple of wires from it to a light bulb, buzzer, or anything that lets you know it is getting power. Then put parts of your circuit into the mix to see if they allow the light bulb or whatever to get power.
 
:curse: :cry: Hi i have 2 sets of wire to run track 1 and track 2 indepenentdly ac and dc 2 of eatch tried all cominanition but no luck must be somthing silly that i am missing .mike
 
A picture is worth a thousand words my friend.
This is what your wiring should be like to operate a switch machine.
I found difficulty following your initial post.
Excuse the crummy sketch (it was done in a hurry) :rolleyes:

Errol
 

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As mentioned before - all the moderators should start to lobby the manufacturers to include this web site in the box. If I had know about you guys when I started most of my headaches would not have happened. I always leave here with good info. Thanks Frank