USA Trains R22-521 ALCO PA/B Diesel Replacement Motor Block Assembly
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L 6 1/2 x W 1 1/2 x H 2
USA TRAINS OEM REPLACEMENT MOTOR BLOCK FOR ALCO PA/PB DIESELS
FOR YOU SCRATCH BUILDERS YOU CAN MAKE THIS RUN BY ITSELF BY SIMPLY CONNECTING THE 2 PINS IN EACH OF THE 2 END RECEPTACLES.
IN ONE END OF THE BLOCK ARE 2 HOLES AND EACH HAS 2 PINS. THESE PINS GO TO THE PLUGS THAT BRING THE POWER TO THE CIRCUIT BOARDS INSIDE THE LOCO. IF YOU SIMPLY JUMPER TOGETHER THE PINS IN EACH HOLE TO THEMSELVES THE POWER TRANSFERS FROM THE PICKUP WHEELS DIRECTLY BACK TO THE MOTOR.