The Signaling Solution
The latest technology at the best price for model railroad electronics




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4th Dimension Engineering, LLC
PO Box 384
Datil, New Mexico 87821

812-533-1047 (voice, 10-4 mst)
708-570-6140 (fax)

Related Documentation
BD8 User Manual
MSC User Manual
GCC User Manual
GCX User Manual
Using color coded wiring
Copyright 1998-2021 4th Dimension Engineering, LLC
Last update: December 28, 2021