Chevrolet Silverado GMT K2XX (2013-2015) blk Wiring diagrams
This page contains all the electrical diagrams for the component. blk, in which he is found in the car Chevrolet Silverado GMT K2XX (2013-2015). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..
Wiring diagram blk (151 of 264)
18 25 COURTESY LP SPLY VOLT PPL DEFEAT SW
2 10 B+ SERIAL DATA
ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR)
BLK WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
CENTER HIGH MOUNTED STOP LAMP (CHMSL)
COMPUTER DATA LINES SYSTEM
DEF SW
DIM FUSE 7
DK BLU/WHT WIRE
DK GRN WIRE
DOME SW
FRONT DOME/READING LAMPS
GRY WIRE
GRY/BLK WIRE
HEADLAMP, PANEL DIMMER SWITCH
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
IS LPS FUSE 17
LATCH ASSEMBLY
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR)
LEFT SUNSHADE (IF EQUIPPED)
LEFT VANITY MIRROR LAMP
LF DR AJAR SW SIG DR DOOR RF DR AJAR 10 20 8 14 15
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
NCA WIRE
ORG/ WIRE
PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER'S DOOR)
PPL 9 12
READING DOME LAMPS LAMPS
READING LAMPS
REAR DOME/ READING LAMPS (CREW CAB)
RED/WHT WIRE
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
RIGHT REAR DOOR LATCH
RIGHT SUNSHADE (IF EQUIPPED)
RIGHT VANITY MIRROR LAMP
SW SIG RR DR AJAR SW SIG LR DR AJAR SW SIG 5 1 LP CTRL SPLY VOLT
TAN/WHT WIRE
VOLT
W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
W/ ELECTRIC DOOR LOCK
W/ POWER WINDOWS
W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
W/O ELECTRIC DOOR LOCK
WHT/BLK WIRE
Go to component -> Courtesy lamps circuit, with bucket seats & power mirrors -> BLK WIRE
Wiring diagram blk (152 of 264)
2 10 B+ SERIAL DATA
5 13 9 LOW REF SW SIG SER DATA
6 4 GND B+
9 12 PPL
9 5 4 13 SER DATA LOW REF SW SIG SW SIG
ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR)
BLK WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
CENTER HIGH MOUNTED STOP LAMP (CHMSL)
COMPUTER DATA LINES SYSTEM
COURTESY LP SPLY VOLT COURTESY LP 18 25 SPLY VOLT PPL DEFEAT SW
DDM FUSE 4
DEF SW
DIM FUSE 7
DK BLU/WHT WIRE
DK GRN WIRE
DOME LAMP
DOME SW
DRIVER DOOR LATCH ASSEMBLY (IN REAR OF DRIVER'S DOOR)
DRIVER DOOR LOCK/WINDOW SWITCH
FRONT DOME/READING LAMPS
GRY WIRE
GRY/BLK WIRE
HEADLAMP, PANEL DIMMER SWITCH
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
IS LPS FUSE 17
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR)
LEFT SUNSHADE (IF EQUIPPED)
LEFT VANITY MIRROR LAMP
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
NCA WIRE
ORG/ WIRE
PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER'S FRONT DOOR)
PASSENGER DOOR LOCK/WINDOW SWITCH
PDM FUSE 9
POWER DISTRIBUTION SYSTEM
READING LAMPS
REAR DOME/ READING LAMPS (CREW CAB)
RED/WHT WIRE
RIGHT REAR DOOR LATCH
RIGHT SUNSHADE (IF EQUIPPED)
RIGHT VANITY MIRROR LAMP
RR DR AJAR 14 15 SW SIG LR DR AJAR SW SIG 5 1 COURTESY LP CTRL VOLT
TAN/WHT WIRE
W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
W/ INDIVIDUAL FRONT SEAT, POWER MIRROR
W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
WHT/BLK WIRE
YEL WIRE
Go to component -> Courtesy lamps circuit, without bucket seats & power mirrors -> BLK WIRE
Wiring diagram blk (153 of 264)
AMBIENT LIGHT SENSOR
AMBIENT LIGHT/ SUNLOAD SENSOR
AUTOMATIC A/C
AUTOMATIC A/C MANUAL A/C 8 3
AUTOMATIC TRANSMISSION SHIFT LEVER
BLK WIRE
BODY CONTROL MODULE (BCM)
BRAKE FLUID LEVEL SWITCH
DATA LINK CONNECTOR
DRIVER DOOR LATCH
DRIVER DOOR LOCK/ WINDOW SWITCH
DRIVER DRIVER DOOR DOOR LOCK LATCH SWITCH
DRIVER SEAT BACK VENTILATION HEATING, COOLING MODULE
DRIVER SEAT CUSHION VENTILATION HEATING, COOLING MODULE
DRIVER WINDOW SWITCH
FRONT DOOR LOCK DIODE
FRONT DOOR UNLOCK DIODE
HEADLAMP, PANEL I/P DIMMER MULTI-FUNCTION SWITCH SWITCH
HEATER
HVAC CONTROL MODULE
INSTRUMENT PANEL CLUSTER (IPC)
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
MANUAL A/C
NCA WIRE
PASSENGER DOOR LATCH
PASSENGER DOOR LOCK SWITCH
PASSENGER SEAT ADJUSTER SWITCH
PASSENGER SEAT BACK VENTILATION HEATING, COOLING MODULE
PASSENGER SEAT CUSHION VENTILATION HEATING, COOLING MODULE
PASSENGER SEAT LUMBAR SWITCH
POWER WINDOW
REAR DOOR LOCK DIODE
REAR DOOR UNLOCK DIODE
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
THEFT DETERRENT MODULE
TURN SIGNAL/ MULTI-FUNCTION SWITCH
W/ FRONT HEATED/ COOLING SEATS
W/ NON BUCKET FRONT INDIVIDUAL SEAT
W/O
W/O NON BUCKET FRONT INDIVIDUAL SEAT
W/O NON BUCKET, FRONT INDIVIDUAL SEAT, W/ COMFORT, DECOR LEVEL 3
W/O POWER DOOR LOCK CONTROL
W/O POWER W/ POWER DOOR LOCK DOOR LOCK CONTROL CONTROL
WHT WIRE
WINDSHIELD WASHER SOLVENT
WINDSHIELD WIPER MOTOR
Go to component -> Ground distribution circuit (4 of 6) -> BLK WIRE
Wiring diagram blk (154 of 264)
6.0L (VING)
BACKUP ALARM
BLK WIRE
CHEVROLET
CHIME MODULE
DIESEL
DIESEL, W/ 31 SERIES, W/O REAR AUXILIARY FUEL TANK
DIGITAL VIDEO DISC (DVD) CONTROL MODULE
DRIVER HEATED SEAT SWITCH
ELECTRONIC BRAKE CONTROL MODULE (EBCM)
EXCEPT 6.0L (VING)
FRONT FUEL PUMP, SENDER ASSEMBLY
FUEL PUMP
FUEL PUMP/ FUEL PUMP TRAILER BRAKE FLOW CONTROL CONTROL MODULE MODULE
GAS
GMC
GRD
GRD GRD
HEATED SEAT CONTROL MODULE
INFRARED TRANSMITTER
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LOWER RIGHT TAIL/ STOP, TURN SIGNAL LAMP
NCA WIRE
PASSENGER HEATED
RADIO
REAR FUEL PUMP, SENDER ASSEMBLY
REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL)
RIGHT BACKUP LAMP
RIGHT RIGHT REAR BACKUP SIDE MARKER LAMP LAMP
SEAT SWITCH
SECONDARY FUEL PUMP RELAY
TO LEFT I/P JUNCTION BLOCK (DIAGRAM 3 OF 6)
TRAILER CONNECTOR
UPPER RIGHT TAIL/ STOP, TURN SIGNAL LAMP
VIDEO DISPLAY
W/ ACTIVE BRAKE, W/O 10 SERIES
W/ CAMPER,
W/ CAMPER, W/O CAMPER, TRAILER, BACKUP TRAILER, BACKUP ALARM ALARM
W/ DUAL FRONT DOOR MOUNTED, 4 SPEAKER SYSTEM
W/ LUXURY EDITION W/O LUXURY EDITION, W/ REAR SEAT ENTERTAINMENT PACKAGE
W/ LUXURY EDITION, REAR SEAT ENTERTAINMENT PACKAGE
W/ PERFORMANCE ENHANCED AUDIO
W/ REAR AUXILIARY FUEL TANK
W/ SPO DVD
W/ SPO HEATED SEATS
W/O CAMPER,
W/O LUXURY EDITION
W/O PERFORMANCE ENHANCED AUDIO
W/O RADIO
W/O REAR AUXILIARY FUEL TANK 6.0L (VIN G)
W/O REAR SEAT RADIO, LUXURY EDITION
W/O UYS W/ UYS 8 38
W/O W/ INTEGRATED INTEGRATED TRAILER TRAILER BRAKE BRAKE
WHT WIRE
Go to component -> Ground distribution circuit (5 of 6) -> BLK WIRE
Wiring diagram blk (155 of 264)
BLK WIRE
BLK/WHT WIRE
BREAKOUT) W/ NON-BUCKET FRONT INDIVIDUAL SEAT
CENTER CENTER SEAT CONSOLE ACCESSORY ACCESSORY POWER POWER OUTLET OUTLET
CHEVROLET
CONSOLE COMPARTMENT ACCESSORY POWER OUTLET
CREW CAB
CREW CAB/ EXTENDED CAB W/ PERFORMANCE ENHANCED AUDIO, FRONT COMPARTMENT CONSOLE
EXCEPT CREW CAB
EXCEPT REGULAR REGULAR CAB CAB
FROM
FRONT PASSENGER/CHILD PRESENCE DETECTOR
GMC
GRD
GRD GRD
HEATED SEAT CUSHION ELEMENT
INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE
INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM)
LEFT FRONT REAR FENDER CLEARANCE LAMP
LEFT LEFT REAR SIDE BACKUP MARKER LAMP LAMP
LEFT LICENSE LAMP
LEFT REAR LEFT REAR WINDOW DOOR LATCH SWITCH
LEFT REAR RIGHT FRONT MOST FENDER REAR FENDER CLEARANCE CLEARANCE LAMP LAMP
LOWER LEFT TAIL/ STOP, TURN SIGNAL LAMP
LOWER LEFT UPPER LEFT TAIL/ TAIL/ STOP, TURN STOP, TURN SIGNAL LAMP SIGNAL LAMP
MEMORY SEAT MODULE (MSM)
NCA WIRE
PASSENGER SEAT BELT BUCKLE
REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL)
REAR OBJECT SENSOR CONTROL MODULE
REAR WINDOW DEFOGGER GRID
RIGHT LICENSE LAMP
RIGHT REAR DOOR LATCH
RIGHT REAR MOST FENDER CLEARANCE TAILGATE MARKER LAMP LAMP
RIGHT REAR WINDOW SWITCH
TRAILER BRAKE CONTROL RELAY TRAILER BRAKE CONTROL MODULE
UPPER LEFT LEFT TAIL/ BACKUP STOP, TURN LAMP SIGNAL LAMP
W/ FULL FEATURE CENTER SEAT
W/ MULTI- DIRECTIONAL PASSENGER POWER SEAT ADJUSTER
W/ NON BUCKET FRONT INDIVIDUAL SEAT
W/ POWER WINDOWS, FULL FEATURE CENTER SEAT
W/ REAR DEFOGGER
W/ REAR DUAL WHEEL
W/ TRAILER W/O TRAILER BRAKE BRAKE
W/ACTIVE BRAKE
W/O ACTIVE BRAKE
W/O MULTI- DIRECTIONAL PASSENGER POWER SEAT ADJUSTER
W/O NON BUCKET FRONT INDIVIDUAL SEAT
W/O POWER WINDOWS, FULL FEATURE CENTER SEAT
W/O REAR DEFOGGER
W/O REAR PARKING ASSIST, LOW TIRE PRESSURE, REMOTE ENTRY
WHT WIRE
Go to component -> Ground distribution circuit (6 of 6) -> BLK WIRE
Wiring diagram blk (156 of 264)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 367 368 2099 L AUD+ R AUD+ DRAIN WIRE
1999 1946 659 LR AUD- RR AUD- LOW REF
AMP FUSE 41 FUSE 38
ANTENNA
AUD SIG
BLK WIRE
BLUETOOTH WIRELESS COMMUNI- CATION INTERFACE ANTENNA
BLUNT CUT)
BRN WIRE
BRN/WHT WIRE
CELLULAR TELEPHONE MICROPHONE (IN OVERHEAD CONSOLE)
CELLULAR/ NAVIGATION ANTENNA
CELLULAR/ NAVIGATION, DIGITAL RADIO ANTENNA
CELLULAR/NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF)
COAX
COAX BK
COAX COAX
COMPUTER DATA LINES SYSTEM
CUT)
DIGITAL AUDIO SYSTEM
DIGITAL RADIO RECEIVER (IF EQUIPPED) (BEHIND RIGHT END OF DASH)
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
DRAIN WIRE
DRAIN WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CNTRL
EXCEPT 6.6L 6.6L W/O ONSTAR W/ ONSTAR W/O S-BAND, TRAFFIC 2 3 4 5
GMLAN
GND LF AUD- RF AUD- DRAIN WIRE
GREEN LED
GRY WIRE
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
INFO FUSE 22
KEYPAD SIG
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LOW REF
LT BLU/BLK WIRE
LT GRN/BLK WIRE
LT GRN/WHT WIRE
NCA WIRE
ORG/ WIRE
ORG/BLK WIRE
PNK WIRE
PNK/BLK WIRE
RADIO
RDO FUSE 42 FUSE 39
RED LED WIRE
RED/WHT WIRE
SHIELD
SUPPLY
TAN WIRE
TAN/BLK WIRE
TAN/WHT WIRE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
USB CABLE BK
USB CABLE USB RECEPTACLE (IF EQUIPPED)
VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH)
VOICE SIG
W/ ONSTAR
W/ S-BAND, TRAFFIC DIGITAL AUDIO SYSTEM
WHT WIRE
YEL WIRE
YEL/BLK WIRE
Go to component -> Navigation circuit, with uqa, without uys & y91 (1 of 3) -> BLK WIRE
Wiring diagram blk (157 of 264)
AMPL CNTRL
BLK WIRE
BRN WIRE
BRN/WHT WIRE
COMPUTER DATA LINES SYSTEM
DK BLU WIRE
DK BLU/WHT WIRE
DK GRN WIRE
DK GRN/WHT WIRE
DRAIN WIRE
GMLAN
GREEN LIGHT
GRY WIRE
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
INFRARED REF
INFRARED V
L INFRARED
L SUBWFR -
LED GND SIG
LED SIG LOGIC INSIDE REARVIEW MIRROR (ISRVM)
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LF AUD +
LF SPK -
LIGHT
LR AUD +
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
LT GRN/WHT WIRE
NCA WIRE
ONSTAR BUTTON ASSEMBLY
ONSTAR EMERGENCY SWITCH SWITCH
ORG/ WIRE
ORG/BLK WIRE
PNK WIRE
PPL/WHT WIRE
R INFRARED
R SUBWFR +
REAR SEAT AUDIO (RSA) CONTROL
RED WIRE
RED/WHT WIRE
REM ENABLE
RF AUD +
RF SPK -
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
RR AUD -
RSE FUSE 19
SUBWOOFER SPEAKER
TAN WIRE
TELEPHONE SWITCH
W/ REAR SEAT ENTERTAINMENT PACKAGE
W/O REAR SEAT ENTERTAINMENT PACKAGE
WHT WIRE
YEL WIRE
YEL/BLK WIRE
Go to component -> Navigation circuit, with uqa, without uys & y91 (2 of 3) -> BLK WIRE
Wiring diagram blk (158 of 264)
17 6 PNK 12 VOLT SW SIG WIRE
2500 2501 COMPUTER DATA LINES
8 9 DATA BUS (+) DATA BUS (-)
AUD LOW REF
AUDIO/VIDEO ADAPTER
AUX VID HI
BEHIND STEERING WHEEL)
BLK WIRE
BLUNT CUT)
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
BRN WIRE
BRN/WHT WIRE
CREW CAB
CRUISE CONTROL SYSTEM
CUT SHIELD)
DK BLU WIRE
DK GRN WIRE
DRAIN WIRE
DVD
DVD COMM
ENABLE SIG
GRY WIRE
I/P FUSE BLOCK (LEFT SIDE OF DASH,
INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL
INFRARED TRANSMITTER
L AUD SIG
L AUX AUDIO
L DVD+
LEFT FRONT SPEAKER
LEFT FRONT TWEETER SPEAKER
LEFT REAR SPEAKER
LT BLU WIRE
LT GRN WIRE
LT GRN/BLK WIRE
NCA WIRE
ORG/BLK WIRE
PNK PNK WIRE
PNK WIRE
PNK/BLK WIRE
PPL
PPL/WHT WIRE
R AUD SIG
R AUX AUDIO
R DVD+
RADIO
RED/WHT WIRE
RIGHT FRONT SPEAKER
RIGHT FRONT TWEETER SPEAKER
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
RIGHT REAR SPEAKER
RIGHT STEERING WHEEL CONTROL SWITCH
SEEK SOURCE NEXT DOWN
SHIELD
SIGNAL
SYSTEM
TAN WIRE
TAN/BLK WIRE
TAN/WHT WIRE
TRANSMISSIONS SYSTEM
VIDEO CNTRL
VIDEO DISPLAY
VIDEO SIG
VOICE VOLUME REC DOWN
VOLT
VOLUME SEEK UP UP
W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL CONTROL
W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> Navigation circuit, with uqa, without uys & y91 (3 of 3) -> BLK WIRE
Wiring diagram blk (159 of 264)
5060 2011 2099 1546 1947 1946 1999 COMPUTER DATA LINES SYSTEM
AMP CTRL GND
AMP FUSE 41 FUSE 38
ANTENNA
BLK WIRE
BRN WIRE
BRN/WHT WIRE
COAX BK
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
EMERGENCY SWITCH
EXCEPT 6.6L 6.6L
GMLAN DRAIN WIRE DRAIN WIRE RF AUD- LF AUD- RR AUD- LR AUD-
GREEN LIGHT
HOT AT ALL TIMES
INSIDE REARVIEW MIRROR (ISRVM)
LED GND SIG
LED SIG LOGIC
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LIGHT
LOW REF
LT BLU/BLK WIRE
LT GRN/BLK WIRE
LT GRN/WHT WIRE
NCA WIRE
ONSTAR BUTTON ASSEMBLY
ONSTAR SWITCH
ORG/ WIRE
ORG/BLK WIRE
RADIO
RDO FUSE 42 FUSE 39
RED WIRE
RED/WHT WIRE
RF AUD+ LF AUD+ RR AUD+ LR AUD+ REM SIG
TAN WIRE
TELEPHONE SWITCH
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
USB CABLE
USB RECEPTACLE (IF EQUIPPED)
VOICE SIG
WHT WIRE
YEL/BLK WIRE
Go to component -> Navigation circuit, with uys & uqa, without y91 (1 of 5) -> BLK WIRE
Wiring diagram blk (160 of 264)
AUD SIG
BLK WIRE
BRN WIRE
BRN/WHT WIRE
CELLULAR TELEPHONE MICROPHONE (IN OVERHEAD CONSOLE)
CELLULAR/ NAVIGATION ANTENNA
CELLULAR/ NAVIGATION, DIGITAL RADIO ANTENNA
COAX
COMPUTER DATA LINES SYSTEM
CUT)
DIGITAL AUDIO SYSTEM W/ S-BAND, TRAFFIC DIGITAL AUDIO SYSTEM
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
DRAIN WIRE
GMLAN
GREEN LED
GRY WIRE
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
INFO FUSE 22
KEYPAD SIG
LOW REF
LT BLU/BLK WIRE
LT GRN/BLK WIRE
LT GRN/WHT WIRE
NCA WIRE
ORG/ WIRE
ORG/BLK WIRE
PNK WIRE
PNK/BLK WIRE
RED LED WIRE
RED/WHT WIRE
SHIELD
SUPPLY
TAN WIRE
TAN/BLK WIRE
VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH)
VOICE SIG
W/ ONSTAR
W/O ONSTAR W/ ONSTAR W/O S-BAND, TRAFFIC 2 3
WHT WIRE
YEL/BLK WIRE
Go to component -> Navigation circuit, with uys & uqa, without y91 (2 of 5) -> BLK WIRE
