GMC Sierra 1500 HD (2001-2006) supplemental brake assist wiring diagram

50 58 VSS OUT SERIAL DATA A/T ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE CLASS 2 DATA CLUTCH PEDAL POSITION SWITCH (TOP OF CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM CRUISE CONTROL MODULE (LEFT REAR OF ENGINE COMPT, ON FIREWALL) CRUISE ENGAGE IN CRUISE ENGAGE OUT VSS IN CRUISE FUSE CRUISE IND DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK IGN INSTRUMENT PANEL CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE M/T NCA WIRE OFF ON OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL A/T PPL/WHT WIRE RADIO RESUME/ ACCEL CRUISE CONTROL ON/OFF SWITCH RESUME/ACCEL SET/ COAST STOP LPS FUSE STOPLAMP SWITCH (OPEN W/ BRAKE APPLIED) (TOP OF BRAKE PEDAL) SUPPLEMENTAL BRAKE ASSIST TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (NEAR BATTERY) VEH STOP FUSE VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW WHT WIRE