Cab lights hook up to ERR CC M board in lionel SD70MAC

Maybe use the marker light outputs?

Thanks for the reply Carl, that’s a possible solution. I’ll look at how that’s wired to see if it will work. 

Norm

The CC-M has marker outputs and ditch light outputs.  The ditch lights are only on in forward, and the markers are always on.  They also are rated for controlling one LED bulb.

I'd wire them to the backup light if you want that behavior.  Personally, I like to have the cab lights go off whenever I'm moving and on when I stop.

Thanks for the reply John, I would love to have the cab lights off when moving and on when stopped, is that possible? I suppose anything is possible with if you have a degree in electrical engineering, which I defiantly don’t have. Since I now have all my Lionel loco’s running on the ERR CCM boards, I am doubting my memory, I was pretty sure the cab lights turned off in forward and on in reverse, am I correct in that memory? Anyway, is there a way to have the lights off in motion and on when stopped? 

Norm

If you program the R4LC for a cab light from the Feature (smoke) output, the polarity reverses with direction.  That allows you to have lights that operate directionally, for incandescent, just add a diode.  Obviously, LED's will only work with one polarity, so no diode needed.

This is the board that I do directional lights with, as well as adding Rule-17 lighting.