replacement decoders for GP7, GP9 & RS3

[subman]

I have the above Bachman engines but I would like to replace the 2 function decoders with TCS decoders. Can anyone tell me what decoders these engines would take?

             Thanks
        Bob D

[richg]

I have the above Bachman engines but I would like to replace the 2 function decoders with TCS decoders. Can anyone tell me what decoders these engines would take?

             Thanks
        Bob D

Check the TCS website.

Rich