GMC Envoy II (2001-2009) Headlamp washer circuit

BLK WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE HDLP WASH RLY CTRL HDLP WASH SW SIG HEADLAMP SWITCH HEADLAMP WASHER FLUID PUMP (RIGHT FRONT OF ENGINE COMPARTMENT) HEADLAMP WASHER SWITCH HEADLAMP WPR RELAY 37 HOT AT ALL TIMES NCA WIRE PPL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE WPR FUSE 7