I think the units are actually ex-New Haven and/or ex Rock Island, so that would go some way to explaining it. Good pickup. Thanks.
Thanks very much for all of your help. No Door Light - that link looks like it will do the job. Thank you for finding it for me - I had a fairly...
I'm about to attempt modeling PHL #36 in HO scale - but can't identify a suitable decal set for the lettering on the loco. If anyone could offer...