GMC Terrain I (2009-2015) 28 2609 horns system Wiring diagrams

12 18 LR DOOR AJAR SW SIG RR DOOR AJAR SW SIG 13 14 5 SW UNLOCK SIG SW LOCK SIG LIFTGATE AJAR SW 15 19 1 SW UNLOCK SIG SW LOCK SIG B+ 16 27 25 2 RCDLR GROUND RCDLR DATA RECEIVE RCDLR POWER GND 19 7 HORN RELAY PARK LP SPLY VOLT 26 21 RCDLR DATA TRANSMIT SECURITY IND CTRL 28 2609 HORNS SYSTEM 309 709 2509 6846 312 712 EXTERIOR LIGHTS SYSTEM 6 18 SECURITY IND CTRL CHILD SECURITY SW SIG ACTR UNLK CTRL AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) AUTOMATIC A/C BCM 1 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA RECEIVE DATA TRANSMIT DK BLU WIRE DK GRN WIRE DK GRN/RED WIRE DOOR LATCH CTRL DOOR RELAY CTRL DOWN DRIVER DOOR LOCK SWITCH GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HOOD AJAR SWITCH (W/ REMOTE ENGINE START CONTROL) (HOOD LATCH) HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) KEYLESS ENTRY ANTENNA LOCAL NETWORK 3 LOCAL NETWORK 4 LOW REF LP HI RELAY CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C MOTOR LOCK CTRL NETWORK 3 ORG/BLK WIRE PASSENGER DOOR LOCK SWITCH PNK/BLK WIRE PNK/WHT WIRE RADIO/HVAC CONTROLS RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (CENTER FRONT OF ROOF) TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM W/O LANE DEPARTURE WARNING SENSOR INDICATOR YEL WIRE

12 18 LR DOOR AJAR SW SIG RR DOOR AJAR SW SIG 13 14 5 SW UNLOCK SIG SW LOCK SIG LIFTGATE AJAR SW 15 19 1 SW UNLOCK SIG SW LOCK SIG B+ 16 27 25 2 RCDLR GROUND RCDLR DATA RECEIVE RCDLR POWER GND 19 7 HORN RELAY PARK LP SPLY VOLT 26 21 RCDLR DATA TRANSMIT SECURITY IND CTRL 28 2609 HORNS SYSTEM 309 709 2509 6846 312 712 EXTERIOR LIGHTS SYSTEM 6 18 SECURITY IND CTRL CHILD SECURITY SW SIG ACTR UNLK CTRL AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) AMBIENT LIGHT/SUNLOAD SENSOR (TOP CENTER OF DASH) AUTOMATIC A/C BCM 1 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA RECEIVE DATA TRANSMIT DK BLU WIRE DK GRN WIRE DK GRN/RED WIRE DOOR LATCH CTRL DOOR RELAY CTRL DOWN DRIVER DOOR LOCK SWITCH GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOOD AJAR SW SIG HOOD AJAR SWITCH (W/ REMOTE ENGINE START CONTROL) (HOOD LATCH) HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK (RIGHT CENTER OF DASH) KEYLESS ENTRY ANTENNA LOCAL NETWORK 3 LOCAL NETWORK 4 LOW REF LP HI RELAY CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MANUAL A/C MOTOR LOCK CTRL NETWORK 3 ORG/BLK WIRE PASSENGER DOOR LOCK SWITCH PNK/BLK WIRE PNK/WHT WIRE RADIO/HVAC CONTROLS RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (CENTER FRONT OF ROOF) TAN WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM W/O LANE DEPARTURE WARNING SENSOR INDICATOR YEL WIRE