December 2019 Diesel Wiring Diagram Update

•••••••••••••••••••••••••••••••••••••• December Update •••••••••••••••••••••••••••••••••••••••••••

𝙏𝙍𝙐𝘾𝙆

TRUCK(Engines)

CUMMINS - ISB (5.9L) (1999-2002) (Component Locator)

(Updates/fixes)
DETROIT - DD13 (EPA10)
DETROIT - DD13 (GHG14) (Component Locator)

(Added build dates into a lot of the “newer” Volvo models to remain as accurate as possible)
VOLVO - D12A (1993-1998) (Component Locator)
VOLVO - VE D12 (1996-2002)
VOLVO - D7C (1996-2003)
VOLVO - D12B (1996-2003)
VOLVO - D12C (1996-2003)
VOLVO - D12D (2004-2006)
VOLVO - D16D (2004-2006)
VOLVO - Engine Controls (Jan. 2007 - Sep. 2007)
VOLVO - Engine Controls (Oct. 2007 - May 2008)
VOLVO - Engine Controls (Jun. 2008 - Jun. 2009)
VOLVO - Engine Controls (Jul. 2009 - Dec. 2009)
VOLVO - D11 (Jan. 2010 - Jul. 2011)
VOLVO - D11 (Aug. 2011 - Aug, 2012)
VOLVO - D11 (Sep, 2012 - Oct. 2013)
VOLVO - D13 (Jan. 2010 - Jul, 2011)
VOLVO - D13 (Aug. 2011 - Aug, 2012)
VOLVO - D13 (Sep. 2012 - Oct. 2013)
VOLVO - D16 (Jan. 2010 - Jul. 2011)
VOLVO - D16 (Aug. 2011 - Aug, 2012)
VOLVO - D16 (Sep, 2012 - Oct. 2013)

DURAMAX - LMM (6.6L) (2007-2010)

ISUZU - LB7 (6.6L) (VIN 1) (2001 - 2004.5) (California)
ISUZU - LB7 (6.6L) (VIN 1) (2001 - 2004.5) (Except California)
ISUZU - LG4 (7.8L) (2000-2005)
ISUZU - LG4 (7.8L) (2006-2007)
ISUZU - LGH (6.6L) (2010-2013)
ISUZU - LGH (6.6L) (2013-2016)
ISUZU - LLY (6.6L) (2006 - 2007)
ISUZU - LLY (6.6L) (VIN 2) (2004-2005)
ISUZU - LMM (6.6L) (2007-2010)

TRUCK(Cab & Chassis)

PETERBILT - 386 (Air Conditioning) (2012)
PETERBILT - 386 (Computer Data Lines) (2012)
PETERBILT - 386 (Headlights Circuit) (2012)
PETERBILT - 386 (Horn Circuit) (2012)
PETERBILT - 386 (Pneumatic Systems) (2012)

KENWORTH - T680 (Back-up Lamps) (2016)
KENWORTH - T680 (Interior Light) (2016)
KENWORTH - T680 (Tail Lamp) (2016)
KENWORTH - T800 (Exterior Lights) (1999)

INTERNATIONAL - 3200 (Lights) (Oct. 2014 - UP)
INTERNATIONAL - 3200 (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014- UP)
INTERNATIONAL - 3200 (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - 3200 (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - 3200 (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - 3200 (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - 3200 (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - 3200 (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)

INTERNATIONAL - DuraStar (4100) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4100) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4100) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4100) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4100) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4100) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4100) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4100) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - DuraStar (4200) (12V Charging and Cranking System) (Oct. 2000 - Dec 2001)
INTERNATIONAL - DuraStar (4200) (Cab Accessories) (Oct. 2000 - Dec 2001)
INTERNATIONAL - DuraStar (4200) (Transmission System) (Oct. 2000 - Dec 2001)

INTERNATIONAL - DuraStar (4300) (12V Charging and Cranking System) (Oct. 2000 - Dec 2001)
INTERNATIONAL - DuraStar (4300) (Cab Accessories) (Oct. 2000 - Dec 2001)
INTERNATIONAL - DuraStar (4300) (Transmission System) (Oct. 2000 - Dec 2001)

INTERNATIONAL - DuraStar (4300) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4300) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4300) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4300) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4300) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4300) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4300) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4300) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - DuraStar (4400) (12V Charging and Cranking System) (Oct. 2000 - Dec 2001)
INTERNATIONAL - DuraStar (4400) (Cab Accessories) (Oct. 2000 - Dec 2001)
INTERNATIONAL - DuraStar (4400) (Transmission System) (Oct. 2000 - Dec 2001)

INTERNATIONAL - DuraStar (4400) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4400) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4400) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4400) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4400) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4400) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4400) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - DuraStar (4400) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - LoneStar (12 Volt Power Distribution) (2007-2010)
INTERNATIONAL - LoneStar (Bunk Lights and Accessories) (2007-2010)
INTERNATIONAL - LoneStar (Charging and Cranking System) (2007-2010)
INTERNATIONAL - LoneStar (Chassis Accessories) (2007-2010)
INTERNATIONAL - LoneStar (Engine System) (2007-2010)
INTERNATIONAL - LoneStar (Ether Start and Fan Wiring) (2007-2010)
INTERNATIONAL - LoneStar (Gauges and Warning Lights) (2007-2010)
INTERNATIONAL - LoneStar (HVAC) (2007-2010)
INTERNATIONAL - LoneStar (Lighting System) (2007-2010)
INTERNATIONAL - LoneStar (Transmission Control Module) (2007-2010)

INTERNATIONAL - ProStar (12 Volt Power Distribution) (2007-2010)
INTERNATIONAL - ProStar (Bunk Lights and Accessories) (2007-2010)
INTERNATIONAL - ProStar (Charging and Cranking System) (2007-2010)
INTERNATIONAL - ProStar (Chassis Accessories) (2007-2010)
INTERNATIONAL - ProStar (Engine System) (2007-2010)
INTERNATIONAL - ProStar (Ether Start and Fan Wiring) (2007-2010)
INTERNATIONAL - ProStar (Gauges and Warning Lights) (2007-2010)
INTERNATIONAL - ProStar (HVAC) (2007-2010)
INTERNATIONAL - ProStar (Lighting System) (2007-2010)
INTERNATIONAL - ProStar (Transmission Control Module) (2007-2010)

INTERNATIONAL - RXT (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - RXT (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - RXT (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - RXT (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - RXT (Electronic Engines) (Oct, 2014 - UP)
INTERNATIONAL - RXT (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - RXT (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - RXT (Lights) (Oct. 2014 - UP)

INTERNATIONAL - TranStar (8500) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8500) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8500) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8500) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8500) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8500) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8500) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8500) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - TranStar (8600) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8600) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8600) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8600) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8600) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8600) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8600) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - TranStar (8600) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - WorkStar (7300) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7300) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7300) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7300) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7300) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7300) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7300) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7300) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - WorkStar (7400) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7400) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7400) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7400) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7400) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7400) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7400) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7400) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - WorkStar (7500) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7500) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7500) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7500) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7500) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7500) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7500) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7500) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - WorkStar (7600) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7600) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7600) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7600) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7600) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7600) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7600) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7600) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - WorkStar (7700) (12 Volt PD,GNDs,Data Bus And Elec. Sys Controller) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7700) (12V Charging And Cranking System) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7700) (CAB Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7700) (Chassis Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7700) (Electronic Engines) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7700) (Fan and Engine Accessories) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7700) (Gauges With And Without Internal Warning Light) (Oct. 2014 - UP)
INTERNATIONAL - WorkStar (7700) (Lights) (Oct. 2014 - UP)

INTERNATIONAL - IC Bus (BE 200) (Engine Electronics) (Aug. 2005 - Jul. 2006)
INTERNATIONAL - IC Bus (BE 200) (12 Volt Power Distribution And Data Link) (Aug. 2005 - Jul. 2006)
INTERNATIONAL - IC Bus (BE 200) (12V Charging And Cranking System) (Aug. 2005 - Jul. 2006)
INTERNATIONAL - IC Bus (BE 200) (Cab Accessories) (Aug. 2005 - Jul. 2006)
INTERNATIONAL - IC Bus (BE 200) (Chassis Accessories) (Aug. 2005 - Jul. 2006)
INTERNATIONAL - IC Bus (BE 200) (Gauges and Warning Lights) (Aug. 2005 - Jul. 2006)
INTERNATIONAL - IC Bus (BE 200) (Light Systems) (Aug. 2005 - Jul. 2006)
INTERNATIONAL - IC Bus (BE 200) Body Builder Connection Data (Aug. 2005 - Jul. 2006)

INTERNATIONAL - IC Bus (CE 200) (Engine Electronics) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 200) (12 Volt Power Distribution And Data Link) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 200) (12V Charging And Cranking System) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 200) (Cab Accessories) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 200) (Chassis Accessories) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 200) (Gauges and Warning Lights) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 200) (Light Systems) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 200) Body Builder Connection Data (Mar. 2004 - Jul. 2006)

INTERNATIONAL - IC Bus (CE 300) (Engine Electronics) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 300) (12 Volt Power Distribution And Data Link) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 300) (12V Charging And Cranking System) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 300) (Cab Accessories) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 300) (Chassis Accessories) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 300) (Gauges and Warning Lights) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 300) (Light Systems) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE 300) Body Builder Connection Data (Mar. 2004 - Jul. 2006)

INTERNATIONAL - IC Bus (CE Bus) (Engine Electronics) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE Bus) (12 Volt Power Distribution And Data Link) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE Bus) (12V Charging And Cranking System) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE Bus) (Cab Accessories) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE Bus) (Chassis Accessories) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE Bus) (Gauges and Warning Lights) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE Bus) (Light Systems) (Mar. 2004 - Jul. 2006)
INTERNATIONAL - IC Bus (CE Bus) Body Builder Connection Data (Mar. 2004 - Jul. 2006)

MACK - CHU (ABS-Traction Control) (2014)
MACK - CHU (Aftertreatment) (2014)
MACK - CHU (Air Conditioning-Heating) (2014)
MACK - CHU (Body Builder Interface) (2014)
MACK - CHU (CB Posts-Audio Systems) (2014)
MACK - CHU (Chassis Solenoid) (2014)
MACK - CHU (Cigar Lighter-Horns) (2014)
MACK - CHU (Dash Cluster) (2014)
MACK - CHU (Data Link) (2014)
MACK - CHU (Engine Controls) (2014)
MACK - CHU (Ground Distribution) (2014)
MACK - CHU (Junction Block, Trailer Cable) (2014)
MACK - CHU (Power Door Locks - Power Windows) (2014)

MACK - CXU (ABS-Traction Control) (2014)
MACK - CXU (Aftertreatment) (2014)
MACK - CXU (Air Conditioning-Heating) (2014)
MACK - CXU (Body Builder Interface) (2014)
MACK - CXU (CB Posts-Audio Systems) (2014)
MACK - CXU (Chassis Solenoid) (2014)
MACK - CXU (Cigar Lighter-Horns) (2014)
MACK - CXU (Dash Cluster) (2014)
MACK - CXU (Data Link) (2014)
MACK - CXU (Engine Controls) (2014)
MACK - CXU (Ground Distribution) (2014)
MACK - CXU (Junction Block, Trailer Cable) (2014)
MACK - CXU (Power Door Locks - Power Windows) (2014)

MACK - GU (ABS-Traction Control) (2014)
MACK - GU (Aftertreatment) (2014)
MACK - GU (Air Conditioning-Heating) (2014)
MACK - GU (Body Builder Interface) (2014)
MACK - GU (CB Posts-Audio Systems) (2014)
MACK - GU (Chassis Solenoid) (2014)
MACK - GU (Cigar Lighter-Horns) (2014)
MACK - GU (Dash Cluster) (2014)
MACK - GU (Data Link) (2014)
MACK - GU (Engine Controls) (2014)
MACK - GU (Ground Distribution) (2014)
MACK - GU Junction Block, Trailer Cable) (2014)
MACK - GU (Power Door Locks - Power Windows) (2014)

MACK - TD (ABS-Traction Control) (2014)
MACK - TD (Aftertreatment) (2014)
MACK - TD (Air Conditioning-Heating) (2014)
MACK - TD (Body Builder Interface) (2014)
MACK - TD (CB Posts-Audio Systems) (2014)
MACK - TD (Chassis Solenoid) (2014)
MACK - TD (Cigar Lighter-Horns) (2014)
MACK - TD (Dash Cluster) (2014)
MACK - TD (Data Link) (2014)
MACK - TD (Engine Controls) (2014)
MACK - TD (Ground Distribution) (2014)
MACK - TD Junction Block, Trailer Cable) (2014)
MACK - TD (Power Door Locks - Power Windows) (2014)

MACK - MRU (Aftertreatment) (2013)
MACK - MRU (CB Posts - Audio System) (2013)
MACK - MRU (Chassis Solenoids) (2013)
MACK - MRU (Cigar Lighter and Horns) (2013)
MACK - MRU (Anti-Lock Brakes, Traction Control) (2013)

VOLVO - VN (CB Post and Audio System) (2011)
VOLVO - VN (Data Link) (Aug. 2011 - Aug, 2012)
VOLVO - VN (Engine Controls) (Aug. 2011 - Aug. 2012)

𝙊𝙁𝙁-𝙃𝙄𝙂𝙃𝙒𝘼𝙔

BOBCAT - S550 (A3NL11001-UP) (Standard Electrical System)
BOBCAT - S550 (A3NM11001-UP) (Standard Electrical System)
BOBCAT - S550 (AHGM11001-AHGM11517) (Standard Electrical System)
BOBCAT - S550 (AHGM11519-AHGM11578) (Standard Electrical System)
BOBCAT - S550 (AHGM11579-UP) (Standard Electrical System)
BOBCAT - S550 (AZN811001-UP) (Standard Electrical System)
BOBCAT - S550 (AZN911001-UP) (Standard Electrical System)
BOBCAT - S550 (B3H111001-UP) (Standard Electrical System)
BOBCAT - S550 (Option Harnesses & Kits) (Electrical System)

CAT - D3K2 (FT31-UP, LT31-UP) (Electrical System)
CAT - D3K2 (GAE1-UP, KFF1-UP, KLL1-UP) (Electrical System)
CAT - D4K2 (KMM1-UP, KRR1-UP) (Electrical System)
CAT - D4K2 (MT31-UP, RT31-UP) (Electrical System)
CAT - D5K2 (TRF1-UP, KWW1-UP, KYV1-UP) (Electrical System)
CAT - D5K2 (WT31-UP, YT31-UP) (Electrical System)