This installation is for N Scale Atlas GP30 Ph.1 (2006 edition) and uses TCS ASD4 Decoder and was performed by A.G.

          These three pictures above show detailed Atlas GP30 Ph.1 locomotive prior to the TCS ASD4 decoder installation.


Take both halves of the frame apart, remove original light board that the locomotive came with and insert the ASD4 decoder. and make sure they ARE touching their proper spots on the underside of the decoder. Put both sides of the frame together and make sure that all four contacts of the decoder are fitted into the chassis so that they create physical/electrical contact. Install both trucks, power pick-up rails , and tighten the two phillips screws on the chassis. Place the shell back and test your locomotive on the track.

For more detailed installation please, visit this link HERE.

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