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Discussion Boards => Large => Topic started by: Al B on March 26, 2021, 11:32:08 AM

Title: Large scale Shay wiring
Post by: Al B on March 26, 2021, 11:32:08 AM
I'm looking for wiring information for a 38ton 2 truck Shay. Is there a wiring diagram or has anyone traced the wires? The majority of the wires are black and I need to find out where the come from. I'm installing a Zimo sound decoder and smoke generator and have removed the the old non sound decoder and the available schematic is of no help.
Thanks for any help,
Al
Title: Re: Large scale Shay wiring
Post by: Homo Habilis on March 27, 2021, 10:18:11 AM
Is this what you are looking for?

https://www.bachmanntrains.com/home-usa/dwg/dwgs/LARGE_SCALE_38-TON_2-TRUCK_SHAY.pdf (https://www.bachmanntrains.com/home-usa/dwg/dwgs/LARGE_SCALE_38-TON_2-TRUCK_SHAY.pdf)
Title: Re: Large scale Shay wiring
Post by: Al B on March 27, 2021, 10:56:14 AM
No, I have those diagrams but since this Shay had a decoder in it that PC board was no longer in it. The schematic gives wire colors but the wires are all black so they have to be traced. Since I asked the question I have been able to find the wires from the chuff contacts and the black wires from the fire box PC board. The only wires I need to find are the ones going to the cab light.
Thanks for your suggestion it is appreciated,
Al Babinsky