gunrunnerjohn posted:Well, the one I have which was removed from a working locomotive for a command upgrade has no external cap, so I don't know what that was for.
With the new board, the engine (a K-Line conventional GG1) behaves the same way it did with the old board. The first time you apply track power, the engine sits, dead, for three seconds, then the lights illuminate and the engine moves, but in reverse. Thereafter, the engine operates normally (until it sits for a while without track power).
The board I replaced was not OEM. The engine was repaired 10 years ago, and, with no K-Line replacement board available, the Lionel board was installed. Is it possible that the repairer added the external cap because the Lionel board was not fully compatible and the cap was needed for normal startup?
If so, could it be that the cap became exhausted over time, and a new cap is needed? If so, is there another place I can locate the cap leads that would be more convenient?
