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Reply to "K-Line S-2 Switcher help"

@GG14449, your S-2 above, as Rob said in your other post about the Lionel 4-4-2 steam engine, was a single motored DC powered engine that was from the only DC powered train set K-Line offered. All other K-Line S-2's were both dual motored and had circuit board reverse units. The circuit board also converts the AC current from a typical 3-rail transformer to DC current required for the DC can motors.

There is another version of your SP engine that has the words "San Francisco" printed on the orange stripe of the cab. This is the dual motored version that runs off normal AC current. Just as an aside here, all the K-Line (and similar type Lionel) locos of this type and vintage (RDC, S-2, Alco FA and MP-15) will run on either AC or DC current... except for the ones that are DC only, which are usually from budget priced starter sets.

If the engine worked earlier, chances are you were running it with the DC power pack that came with the set. Or you put it on the track for a moment and ruined the motor.

Your solution is to run the engine with a DC power pack. The typical black and red handle Tyco type power pack that came with this and other Lionel DC only sets, has a high starting voltage, so it is very hard to avoid jack-rabbit starts and stops. An inexpensive solution would be to find one of the Bachmann type DC power packs that come with their starter sets... they resemble a computer mouse. None of the DC power packs of this type have a lot of amperage, but they certainly will run that K-Line loco and an illuminated caboose. But probably not any other operating cars that need power or illuminated cars.

Your other solution as has been suggested in the other post, is to purchase a K-Line or basic Lionel reverse circuit board. You'll want to get the mounts for the circuit board or either make one with foam and double stick foam tape.

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