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1) Remove locomotive shell following Roundhouse instructions;
2) There are two large diodes, one on each side of the rectangular light
board. Remove them.
3) The two LEDs are wired to this light board, one on each side with black
and gray wires on each LED. Reverse the black and gray wires on the board
from each LED (gray to where black was and black to where gray was.
4) Remove the dummy eight pin plug and insert the eight pin DCC plug of a
Digitrax DZ123PS decoder with the orange wire going to #1 on the light
board.
5) Reinstall locomotive shell.
FAILURE TO FOLLOW THE ABOVE STEPS CAN RESULT IN DAMAGE TO YOUR DECODER
AND/OR LIGHTS NOT WORKING ON THIS LOCOMOTIVE.

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