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This is from 1990.  Its not TMCC.  It has a QSI board for the EUnit, and a second board, which I believe is for the lighting.  If there are resistors for the LEDs, I would assume they are on the boards and not inline with the wiring.  I plan to gut the unit and remove both boards.  It only has 2 can motors, headlights and 2 lights for the main cabin area.  Only other strange thing I found so far is that the can motors have three wires.  One wire for each brush, and one that looks like its soldered to the can itself. (Yellow & Blue to brushes, and green to can).  I know this is all original, as I bought this new from a dealer back when it was released.  I have to check it with my meter but I am suspecting the green is a ground wire.  Just odd that they ran a ground wire from the outer shell of the can motor.

Last edited by Joe Fermani

The Cruise Commander has the required load capacitor to connect LED's without a load resistor.  The Cruise Commander Lite does not have the load capacitor, so you add a .01uf 50V cap that is provided with the CC-Lite across the lighting outputs.

You will also need a series resistor if you're connecting bare LED's to the lighting outputs, the 470 mentioned is the right value.  I also add a diode in series to prevent damage due to reverse voltage, conventional mode lights get full-wave AC.

Finally, TMCC (other than the aforementioned Cruise Commander and other ERR TMCC products), will require the .01uf load resistor to force the triacs to fire with LED lighting.

I have a odd thing going on with led lighting.  I installed the forward reverse and strobe LED with a 470 ohm resistor connected to the lighting outputs of my AC Commander, with the R4LC code 08 board the lights work fine,  I got two new back up R2LC code 08 boards from Lionel, but they don't light the LED's, but will light regular lights.  Anybody got a guess to what is going on or what I have to do?????

Marty

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