Fuses and relays GMC Sierra (mk2 2001-2006)

Fuse Layout GMC Sierra 2001-2006

Fuses and relays GMC Sierra (mk2 2001-2006)

Fuse box location

Passenger compartment

Instrument Panel Fuse Block
The fuse block access door is on the driver’s side edge of the instrument panel.Fuses and relays GMC Sierra (mk2 2001-2006)

Center Instrument Panel Fuse Block
The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.

Engine compartment

The underhood fuse block in the engine compartment on the driver’s side of the vehicle near the battery.Fuses and relays GMC Sierra (mk2 2001-2006)

Auxiliary Electric Cooling Fan Fuse Block
The auxiliary electric cooling fan fuse block is located in the engine compartment on the driver’s side of the vehicle next to the underhood fuse block.

Fuse box diagrams

2001, 2002

Engine compartment

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Engine compartment (2001, 2002)

Name Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Accessory Power/Trailer Wiring Feed
ABS Anti-Lock Brakes
IGN A Ignition Switch
AIR A I R System
RAP #1 Retained Accessory Power, Power Mirrors, Power Door Locks, Power Seat(s)
IGNB Ignition Switch
RAP #2 Not Used
STUD #2 Accessory Power/Trailer Wiring Brake Feed
SPARE Spare Fuse
TRLR TRN Right Turn Signal Trailer Wiring
TRLL TRN Left Turn Signal Trailer Wiring
IGN 1 Ignition, Fuel Controls (Relay)
INJ B Ignition, Fuel Controls
STARTER Starter (Relay)
PARK LP Parking Lamps
FRT HVAC Climate Control System
STOP LP Exterior Lamps, Stoplamps
ECM I PCM
ECMRPV Fuel Controls, ECM
CHMSL Center High Mounted Stoplamp
VEH STOP Stoplamps, Cruise Control
TRL B/U Backup Lamps Trailer Wiring
INJ A Fuel Controls, Ignition
RR HVAC Not Used
VEH B/U Vehicle Backup Lamps
ENG 1 Engine Controls, Canister Purge, Fuel System
ETC Electronic Throttle Control
IGNE A/C Compressor Relay, Rear Window Defogger, Daytime Running Lamps, A I R. System
B/U LP Backup Lamps, Automatic Transmission Shift Lock Control System
ATC Automatic Transfer Case
RR DEFOG Rear Window Defogger, Heated Mirrors (Relay)
RR PRK Right Rear Parking Lamps
ECMB PCM
F/PMP Fuel Pump (Relay)
O2 A Oxygen Sensors
FUEL HT Fuel Heater, Glow Plug and Intake Heater Controls
O2 B Oxygen Sensors
LR PRK Left Rear Parking Lamps
RR DEFOG Rear Window Defogger, Heated Mirors
HDLP Headlamps (Relay)
TRL PRK Parking Lamps Trailer Wiring
RT HDLP Right Headlamps
DRL Daytime Running Lamps (Relay)
HTD MIR Heated Mirrors
LT HDLP Left Headlamps
A/C Air Conditioning
AUX PWR Cigarette Lighter, Auxiliary Power Outlets
SEO 2 Special Equipment Option Power, Power Seats, Aux Roof Mnt Lamp
SEO 1 Special Equipment Option Power, Aux Roof Mnt Lamp, Cell Phone, OnStarO
DRL Daytime Running Lamps
A/C A/C (Relay)
FOG LP Fog Lamps
FOG LP Fog Lamps (Relay)
RADIO Audio System, Instrument Cluster, Climate Control System
CIGAR Cigarette Lighter, Auxiliary Power Outlets
RT TURN Right Turn Signals
BTSI Automatic Transmission Shift Lock Control System
LT TURN Left Turn Signals
FR PRK Front Parking Lamps, Sidemarker Lamps
W/WPMP Windshield Washer Pump
HORN Horn (Relay)
IGNC Ignition Switch, Fuel Pump, PRND321 Display, Crank
RDO AMP Not Used
HAZ LP Exterior Lamps, Hazard Lamps
EXP LPS Not Used
HORN Horn
CTSYLP Interior Lamps
RRWPR Not Used
TBC Body Control Module, Remote Keyless Entry, Headlamps
*1 INJ B – Gasoline Engine and Diesel Engine.
*2 ECM I – Gasoline Engine; ECMRPV – Diesel Engine.
*3 O2 A – Gasoline Engine; FUEL HT – Diesel Engine.
*4 O2 B – Gasoline Engine; ECM l – Diesel Engine.
Instrument Panel

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Instrument Panel Fuse Block (2001, 2002)

Name Usage
L BODY Retained Accessory Power Relay
LOCK Power Door Locks
DRV UNLOCK Power Door Lock Relay
LOCK Power Door Lock Relay
HVAC1 Climate Control System
CRUISE Cruise Control, Instrument Panel Cluster
IGN 3 Ignition, Power Seats
4WD Four-Wheel Drive System, Auxiliary Battery
CRANK Starting System
INT PRK Parking Lamps, Sidemarker Lamps, Interior Lamps
LDOOR Power Door Lock Relay
BRAKE Anti-Lock Brake System
RR WIPER Not Used
ILLUM Interior Lamps
SEAT Power Seat Circuit Breaker
TURN Exterior Lamps, Turn Signals, Hazard Lamps
UNLOCK Power Door Locks
HTR A/C Climate Control System
WSWPR Windshield Wipers
IGN 1 Ignition, Instrument Panel
AIRBAG Air Bag
MIR/LOCK Power Mirrors, Power Door Locks
DR LOCK Power Door Locks
PWR WDO Power Window Circuit Breaker
UNLOCK Power Door Lock Relay
IGN 0 PRND321 Display, Odometer, PCM
SEO IGN Special Equipment Option, Ignition, Manual Selectable Ride
SEO ACCY Special Equipment Option Accessory, Cellular Telephone
RAP #1 Retained Accessory Power Relay
RDO 1 Audio System
RAP #2 Not Used
Center Instrument Panel Block

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Center Instrument Panel Fuse Block (2001, 2002)

Name Usage
SEO Special Equipment Option
HTD ST Heated Seats
SPARE 4 Not Used
VANITY Headliner Wiring
TRAILER Trailer Brake Wiring
PWR ST Power Seats
SPARE 5 Not Used
CLUTCH Manual Transmission Clutch Switch
UPF Upfttter
PARK LAMP Parking Lamps (Relay)
FRT PRK EXPT Not Used (Fuse)
SL RIDE Manual Selectable Ride Switch
SPARE 2 Not Used
RR PRK LP Not Used (Relay)
RR FOG LP Not Used (Relay)
SPARE 3 Not Used
IN ADV PWR Interior Lights Feed
CTSYLP Courtesy Lamps
CEL PHONE Cellular Telephone Wiring

2003, 2004

Engine compartment

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Engine compartment (2003, 2004)

Name Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Auxiliary Power (Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet-Rear Cargo Area and Instrument Panel
STUD 2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1 Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/Quadrasteer Module Power
RR HVAC Not Used
AUX PWR Auxiliary Power Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGNE Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
O2B Oxygen Sensors
SIR Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIGLTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMP Air Conditioning Compressor Relay
RRWPR Not Used
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, Rear Heated Seats, HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interfock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
BTSI Brake Transmission Shift Interlock System
CRANK Starting System
LO HDLP- RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield Washer Pump Relay
W/S WASH Windshield Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
*1 — Gasoline Engine and Diesel Engine.
*2 — Gasoline Engine; ECMRPV – Diesel Engine.
*3 — Gasoline Engine; FUEL HT – Diesel Engine.
*4 — Gasoline Engine; ECM I – Diesel Engine.
*5 IGN/EDU
Instrument Panel

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Instrument Panel Fuse Block (2003, 2004)

Name Usage
RR Wiper Not Used
SEO ACCY Special Equipment Option Accessory
WSWPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Ignition, Heated Seats
4WD Four-Wheel Drive System, Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay) Power Door Lock Relay (Lock Function)
HVAC1 Climate Control System
LDOOR Driver”s Door Harness Connection
CRUISE Cruise Control, Power Take Off (PTO)
UNLOCK (Relay) Power Door Lock Relay (Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCK Power Door Lock Relay (Driver’s Door Unlock Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LTTRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RTTRN Right Turn Signals and Sidemarfcers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Power Windows Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
Center Instrument Panel Block

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Center Instrument Panel Fuse Block (2003-2006)

Name Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Uptitter (Not Used)
SL RIDE Ride Control Harness Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Windows Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

2005, 2006

Engine compartment (2005)

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Engine compartment (2005)

Name Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Auxiliary Power {Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet-Rear Cargo Area and Instrument Panel
STUD 2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1 Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
S/ROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/Quadrasteer Module Power
RR HVAC Not Used
AUX PWR Auxiliary Power Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGN E Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Ride Control
TRLB/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
O2B Oxygen Sensors
AIRBAG Supplemental Inflatable Restraint System
FRTPARK Front Parldng Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controler Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
RVC Regulated Voltage Control
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIGLTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMP Air Conditioning Compressor Relay
RRWPR Not Used
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, Rear Heated Seats, HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interlock System
CRANK Starting System
LO HDLP- RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield Washer Pump Relay
W/S WASH Windshield Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
GAS:
*1 INJ 2
*2 INJ 1
*3 O2A
*4 O2B
*5 ING 1
DIESEL:
*1 EDU
*2 ECMRPV
*3 FUEL HT
*4 ECM
*5 EDU
EXCEPT H2:
*6 RRHVAC
*7 S/ROOF
H2:
*6 S/ROOF
*7
Engine compartment (2006)

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the engine compartment (2006)

Name Usage
GLOW PLUG Diesel Glow Plugs and Intake Air Heater
CUST FEED Gasoline Accessory Power
STUD #1 Auxiliary Power {Single Battery and Diesels Only)/ Dual Battery (TP2) Do not install fuse.
MBEC Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors
BLOWER Front Climate Control Fan
LBEC Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet-Rear Cargo Area and Instrument Panel
STUD 2 Accessory Power/Trailer Wiring Brake Feed
ABS Anti-Lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1 Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARK Right Rear Parking and Sidemarker Lamps
LR PARK Left Rear Parking and Sidemarker Lamps
PARK LP Parking Lamps Relay
STARTER Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATT Truck Body Controller Battery Feed
S/ROOF Sunroof
SEO B2 Off-Road Lamps
4WS Vent Solenoid Canister/Quadrasteer Module Power
RR HVAC Not Used
AUX PWR Auxiliary Power Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECM Electronic Throttle Control, Electronic Brake Controller
IGNE Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM B Powertrain Control Module, Fuel Pump
F/PMP Fuel Pump (Relay)
B/U LP Back-up Lamps, Automatic Transmission Shift Lock Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
O2B Oxygen Sensors
AIRBAG Supplemental Inflatable Restraint System
FRT PARK Front Parking Lamps, Sidemarker Lamps
DRL Daytime Running Lamps (Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
DRL Daytime Running Lamps
RVC Regulated Voltage Control
IPC/DIC Instrument Panel Cluster/Driver Information Center
HVAC/ECAS Climate Control Controller
CIGLTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMP Air Conditioning Compressor Relay
RRWPR Not Used
RADIO Audio System
SEO B1 Mid Bussed Electrical Center, Rear Heated Seats, HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSI Brake Transmission Shift Interlock System
CRANK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASH Windshield Washer Pump Relay
W/S WASH Windshield Washer Pump
INFO OnStar/Rear Seat Entertainment
RADIO AMP Radio Amplifier
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
GAS:
*1 INJ 2 (Fuel Injection Rail #2)
*2 INJ 1 (Fuel Injection Rail #1)
*3 02A (Oxygen Sensors)
*4 02B (Oxygen Sensors)
*5 ING1 (Ignition 1)
*6 PCM B (Powertrain Control Module B)
DIESEL:
*1 EDU (Engine Control Module)
*2 ACTUATOR (Actuator)
*3 FUEL HTR (Fuel Heater)
*4 ECM 1 (Engine Control Module 1)
*5 ECM (Engine Control Module)
*6 ECM B (Engine Control Module B)
EXCEPT H2:
*7 RR HVAC (Rear Climate Control)
*8 S/ROOF (Sunroof)
H2:
*7 S/ROOF (Sunroof)
*8
Engine compartment, auxiliary box

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Engine compartment auxiliary box

Name Description
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 3 Cooling Fan Relay 3
COOL/FAN 2 Cooling Fan Relay 2
Instrument Panel

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Instrument Panel Fuse Block (2005, 2006)

Name Usage
RRWPR Not Used
SEO ACCY Special Equipment Option Accessory
WSWPR Windshield Wipers
TBC ACCY Truck Body Controller Accessory
IGN 3 Ignition, Heated Seats
4WD Four-Wheel Drive System, Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay) Power Door Lock Relay (Lock Function)
HVAC1 Climate Control System
LDOOR Driver”s Door Harness Connection
CRUISE Cruise Control, Power Take Off (PTO)
UNLOCK (Relay) Power Door Lock Relay (Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake System
DRIVER UNLOCK Power Door Lock Relay (Driver’s Door Unlock Function)
IGNO TCM
TBC IGN 0 Truck Body Controller
VEH CHMSL Vehicle and Trailer High Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN Left Turn Signals and Sidemarkers
VEH STOP Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN Right Turn Signals and Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2 Not Used
LOCKS Power Door Lock System
ECC Not Used
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORS Left Power Windows Circuit Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
Center Instrument Panel Block

Fuses and relays GMC Sierra (mk2 2001-2006)

Assignment of the fuses in the Center Instrument Panel Fuse Block (2003-2006)

Name Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Uptitter (Not Used)
SL RIDE Ride Control Harness Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEAT Driver and Passenger Seat Module Circuit Breaker
CB RT DOOR Right Power Windows Circuit Breaker
SPARE Not Used
INFO Infotainment Harness Connection

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