3 years ago I sleuthed out the function of every wire on the two multi-pin plugs on the C-19 tender in order to eliminate the tender circuit boards when doing a battery - R/C install. I’ve updated the chart today with suggested connection points when using a RailPro Sound & RC module.
Jon, thanks for this, has been a while since I did my first one and may be doing the c-18 version shortly.
AL P.