66-block re-wiring guide Block wiring figure amphenol alarm takes half each only 832a guide Signal block semaphore
#587 Block Signal
66-block re-wiring guide
Block semaphore lionel signal
#588 semaphore block signalOperating accessories (1 of 9) Block 66 wiring diagram straight figure termination instructions 864a alarms numberSignal block lionel.
#587 block signal#588 semaphore block signal .
