What was found
(CAN) DURING APPROACH, THE FLIGHT CREW NOTICED THAT ICE WAS STARTING TO ACCUMULATE ON THE AIRFRAME/WINDSCREEN. ALL ANTI/DEICE SYS WERE ACTIVATED AND AFTER A FEW MINUTES THE CREW NOTICED THAT THE ICE BUILDUP ON THE BOTH WINDSCREENS WAS NOT MELTING. THE CREW COULD NOT FIND WARMER AIR TO MELT THE ICE SO AT THIS TIME ELECTED TO PROCEED BECAUSE OF THE LACK OF FWD VISIBILITY AND THE LONGER RUNWAY. AFTER LANDING THE ACFT WAS INSPECTED AND A LOOSE WIRE ON TERMINAL NR 2 OF THE PEDESTAL TERMINAL BOARD WAS FOUND. WIRE WAS CONNECTED AND SYS TESTED.