I am looking for a diagram of the interior workings of the C40-8.  Specifically the wiring diagram on the pin connector.  I need to rewire a unit for a DCC decoder and have lost the diagram. 
I would appreciate and help.  bkobielusz@yahoo.com

Thanks Brad

Hi all
Has anyone had any luck reprogramming the DD40x on DCC so the front headlights are not on running backward?  How about changing the flash rate on the strobe to add some realism, any help would be great I have struck out so far.
Thanks Brad

Hi All
  I agree this is a nice running and looking and I am happy I bought it,  but the initial DCC programming is quirky such as the Front headlight is on while running in reverse and the strobe coming on with the front headlight.  F1 looks to control Rule 17 dimming which is nice but it also dims the strobe. I looked thru the web site and can not find documentation on the decoder being used in this unit.  Anyone out there know where to find it?  I just packed my Digitrax system and sent it in for repairs so if anyone has the steps to reprogram the decoder to get the strobe on its own F control and at a better flash rate and to get the front headlight off when running in reverse let me know I would appreciate it.  If they would just do a run on the companion DD35 that would be a nice bonus that would look good together.   
Thanks Brad