GMC Terrain I (2009-2015) Headlights circuit

10 22 AMBIENT LIGHT SENSOR SIG LO SPD GMLAN SERIAL DATA 17 11 HDLP SW FLASH TO PASS SIG DIMMER SW LO BEAM SIG 18 10 HDLP HI BEAM RLY CTRL FOG LAMP RLY CTRL 2 1 LEFT LOW BEAM SPLY VOLT RIGHT LOW BEAM SPLY VOLT BCM 3 FUSE BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE FRONT FOG LAMP INDICATOR INSTRUMENT CLUSTER FRONT FOG LAMP RELAY FRONT FOG LAMP SWITCH FRT FOG LAMP FUSE FTP SWITCH GROUND HEAD HEADLAMP HI BEAM RELAY HIGH BEAM INDICATOR HOT AT ALL TIMES HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) BCM 4 FUSE HVAC CONTROL MODULE LEFT FRONT FOG LAMP LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LO SPD GMLAN SERIAL DATA LOGIC LOW REFERENCE LOW SWITCH LT BLU WIRE LT GRN/BLK WIRE LT HI BEAM FUSE OFF AUTO PARK ORG/ WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (BASE OF PARK BRAKE ASSEMBLY) PPL RED/WHT WIRE RIGHT FRONT FOG LAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RT HI BEAM FUSE SERIAL DATA TAN/WHT WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE