GMC Yukon III (2006-2014) Beacon lamp circuit

BLK WIRE BRN/WHT WIRE DK GRN WIRE HOT AT ALL TIMES I/P LEFT I/P JUNCTION BLOCK (LEFT END OF DASH) PDM FUSE FUSE BLOCK (LEFT END OF DASH) POLICE PROVISION (BLUNT CUT) GROUND DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) ROOF BEACON RELAY (IN OVERHEAD CONSOLE) ROOF BEACON SWITCH (IF EQUIPPED) S/ROOF FUSE 33 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ SLIDING ROOF RIGHT I/P JUNCTION BLOCK (RIGHT END OF DASH) WHT WIRE