If these are the latest MC2 decoders with BEMF they should be OK, but you might like to have a look and see if the capacitors are still there - if so it might be better to remove them.
If you want help with TCS CVs then take a look at http://www.bromsgrovemodels.co.uk/TCSDecod....htm#CVSettings
Regards
John R
Bromsgrove Models
If you want help with TCS CVs then take a look at http://www.bromsgrovemodels.co.uk/TCSDecod....htm#CVSettings
Regards
John R
Bromsgrove Models