505/506 Having power fault during train ~~~~~ 505/506 Having power fault during train     #1506-Tims FC 128 (Propulsion speed sensor 1 failure) Measured #1506 TM1 speed sensor~800ohms,satis.Found TM1 speed sensor 1 was connected to brake sensor.Swapped both connectors back,done.Checked propulsion controller connectors,satis.Carried out limited movement ,satis.Fault did not recure during depot shunting. Done by Joshua/Lincoln/Arthur.  30/12/21