FAST Wiring Harness Main LS1LS2L

FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and various optional accessories. The Main Harness also handles communication between the ECU and ignition devices. Main harnesses are available in TPI, LT-1, LS-1 through 9 (including truck/suv designs), Modern Hemi, Carburetor Conversions and even Rear-Engine Dragsters and Boats. FAST also offers Main Harnesses that come terminated on the sensor side but non-terminated on the ECU side to allow for a truely custom fit. All terminals, seals and connectors are available individually, so don't hesitate to try your hand at crafting your own custom harness from start to finish. This XFI Main Harness is designed to connect engines that feature GM LS style sensors to our XFI ECU. Works well out of the box with GM LS1,LS2,LS3,LS6,LS7,LS9 along with GM LS Based Pickup Truck and SUV applications. Fitment 1997 Chevrolet Corvette Base 1998 Chevrolet Camaro Z28 1998 Chevrolet Camaro Z28 SS 1998 Chevrolet Corvette Base 1998 Chevrolet Corvette Indianapolis 500 Pace Car 1998 Pontiac Firebird Formula 1998 Pontiac Firebird Trans Am 1999 Chevrolet Camaro Z28 1999 Chevrolet Camaro Z28 SS 1999 Chevrolet Corvette Base 1999 Chevrolet Silverado 1500 Base 1999 Chevrolet Silverado 1500 LS 1999 Chevrolet Silverado 1500 LT 1999 Chevrolet Silverado 2500 Base 1999 Chevrolet Silverado 2500 LS 1999 Chevrolet Silverado 2500 LT 1999 GMC Sierra 1500 SL 1999 GMC Sierra 1500 SLE 1999 GMC Sierra 1500 SLT 1999 GMC Sierra 2500 SL 1999 GMC Sierra 2500 SLE 1999 GMC Sierra 2500 SLT 1999 Pontiac Firebird Formula 1999 Pontiac Firebird Trans Am 2000 Chevrolet Camaro Z28 2000 Chevrolet Camaro Z28 SS 2000 Chevrolet Corvette Base 2000 Chevrolet Silverado 1500 Base 2000 Chevrolet Silverado 1500 LS 2000 Chevrolet Silverado 1500 LT 2000 Chevrolet Silverado 2500 Base 2000 Chevrolet Silverado 2500 LS 2000 Chevrolet Silverado 2500 LT 2000 Chevrolet Suburban 1500 Base 2000 Chevrolet Suburban 1500 LS 2000 Chevrolet Suburban 1500 LT 2000 Chevrolet Tahoe Base 2000 Chevrolet Tahoe LS 2000 Chevrolet Tahoe LT 2000 GMC Sierra 1500 SL 2000 GMC Sierra 1500 SLE 2000 GMC Sierra 1500 SLT 2000 GMC Sierra 2500 SL 2000 GMC Sierra 2500 SLE 2000 GMC Sierra 2500 SLT 2000 GMC Yukon SLE 2000 GMC Yukon SLT 2000 GMC Yukon XL 1500 SLE 2000 GMC Yukon XL 1500 SLT 2000 GMC Yukon XL 2500 SLT 2000 Pontiac Firebird Formula 2000 Pontiac Firebird Trans Am 2001 Chevrolet Camaro Z28 2001 Chevrolet Camaro Z28 SS 2001 Chevrolet Corvette Base 2001 Chevrolet Corvette Z06 2001 Chevrolet Silverado 1500 Base 2001 Chevrolet Silverado 1500 LS 2001 Chevrolet Silverado 1500 LT 2001 Chevrolet Silverado 2500 Base 2001 Chevrolet Suburban 1500 Base 2001 Chevrolet Suburban 1500 LS 2001 Chevrolet Suburban 1500 LT 2001 Chevrolet Tahoe Base 2001 Chevrolet Tahoe LS 2001 Chevrolet Tahoe LT 2001 GMC Sierra 1500 SL 2001 GMC Sierra 1500 SLE 2001 GMC Sierra 1500 SLT 2001 GMC Sierra 2500 SL 2001 GMC Sierra 2500 SLE 2001 GMC Sierra 2500 SLT 2001 GMC Sierra 2500 HD SL 2001 GMC Sierra 2500 HD SLE 2001 GMC Sierra 2500 HD SLT 2001 GMC Sierra 3500 SL 2001 GMC Sierra 3500 SLE 2001 GMC Sierra 3500 SLT 2001 GMC Yukon SLE 2001 GMC Yukon SLT 2001 GMC Yukon XL 1500 SLE 2001 GMC Yukon XL 1500 SLT 2001 GMC Yukon XL 2500 SLT 2001 Pontiac Firebird Formula 2001 Pontiac Firebird Trans Am 2002 Chevrolet Avalanche 1500 Base 2002 Chevrolet Avalanche 1500 Z71 2002 Chevrolet Camaro Z28 2002 Chevrolet Camaro Z28 SS 2002 Chevrolet Corvette Base 2002 Chevrolet Corvette Z06 2002 Chevrolet Silverado 1500 Base 2002 Chevrolet Silverado 1500 LS 2002 Chevrolet Silverado 1500 LT 2002 Chevrolet Silverado 1500 WT 2002 Chevrolet Silverado 2500 Base 2002 Chevrolet Suburban 1500 LS 2002 Chevrolet Suburban 1500 LT 2002 Chevrolet Tahoe LS 2002 Chevrolet Tahoe LT 2002 GMC Sierra 1500 Base 2002 GMC Sierra 1500 HT 2002 GMC Sierra 1500 SL 2002 GMC Sierra 1500 SLE 2002 GMC Sierra 1500 SLT 2002 GMC Sierra 1500 WT 2002 GMC Yukon SLE 2002 GMC Yukon SLT 2002 GMC Yukon XL 1500 SLE 2002 GMC Yukon XL 1500 SLT 2002 Pontiac Firebird Formula 2002 Pontiac Firebird Trans Am 2003 Chevrolet Avalanche 1500 Base 2003 Chevrolet Avalanche 1500 Z71 2003 Chevrolet Corvette 50th Anniversary Edition 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car 2003 Chevrolet Corvette Base 2003 Chevrolet Corvette Z06 2003 Chevrolet Express 1500 Base 2003 Chevrolet Express 1500 LS 2003 Chevrolet Express 2500 Base 2003 Chevrolet Express 2500 LS 2003 Chevrolet Express 3500 Base 2003 Chevrolet Silverado 1500 Base 2003 Chevrolet Silverado 1500 LS 2003 Chevrolet Silverado 1500 LT 2003 Chevrolet Silverado 1500 WT 2003 Chevrolet Silverado 2500 Base 2003 Chevrolet SSR Base 2003 Chevrolet Suburban 1500 LS 2003 Chevrolet Suburban 1500 LT 2003 Chevrolet Tahoe LS 2003 Chevrolet Tahoe LT 2003 Chevrolet Tahoe Z71 2003 Chevrolet Trailblazer EXT LS 2003 Chevrolet Trailblazer EXT LT 2003 Chevrolet Trailblazer EXT North Face 2003 GMC Savana 1500 Base 2003 GMC Savana 1500 SLE 2003 GMC Savana 2500 Base 2003 GMC Savana 2500 SLE 2003 GMC Sierra 1500 Base 2003 GMC Sierra 1500 SL 2003 GMC Sierra 1500 SLE 2003 GMC Sierra 1500 SLT 2003 GMC Sierra 1500 WT 2003 GMC Yukon SLE 2003 GMC Yukon SLT 2003 GMC Yukon XL 1500 SLE 2003 GMC Yukon XL 1500 SLT 2003 Hummer H2 Base 2004 Cadillac CTS V 2004 Chevrolet Avalanche 1500 Base 2004 Chevrolet Avalanche 1500 Z66 2004 Chevrolet Avalanche 1500 Z71 2004 Chevrolet Corvette Base 2004 Chevrolet Corvette Z06 2004 Chevrolet Express 1500 Base 2004 Chevrolet Express 1500 LS 2004 Chevrolet Express 2500 Base 2004 Chevrolet Express 2500 LS 2004 Chevrolet Express 3500 Base 2004 Chevrolet Silverado 1500 Base 2004 Chevrolet Silverado 1500 LS 2004 Chevrolet Silverado 1500 LT 2004 Chevrolet Silverado 1500 WT 2004 Chevrolet Silverado 1500 Z71 2004 Chevrolet Silverado 2500 Base 2004 Chevrolet Silverado 3500 Base 2004 Chevrolet SSR Base 2004 Chevrolet Suburban 1500 LS 2004 Chevrolet Suburban 1500 LT 2004 Chevrolet Suburban 1500 Z71 2004 Chevrolet Tahoe LS 2004 Chevrolet Tahoe LT 2004 Chevrolet Tahoe Z71 2004 Chevrolet Trailblazer EXT LS 2004 Chevrolet Trailblazer EXT LT 2004 Chevrolet Trailblazer EXT North Face 2004 GMC Envoy XL SLE 2004 GMC Envoy XL SLT 2004 GMC Savana 1500 Base 2004 GMC Savana 1500 SLE 2004 GMC Savana 2500 Base 2004 GMC Savana 2500 SLE 2004 GMC Savana 3500 Base 2004 GMC Sierra 1500 Base 2004 GMC Sierra 1500 SLE 2004 GMC Sierra 1500 SLT 2004 GMC Sierra 1500 WT 2004 GMC Yukon SLE 2004 GMC Yukon SLT 2004 GMC Yukon XL 1500 SLE 2004 GMC Yukon XL 1500 SLT 2004 Hummer H2 Base 2004 Pontiac GTO Base 2005 Cadillac CTS V 2005 Chevrolet Avalanche 1500 Base 2005 Chevrolet Avalanche 1500 LS 2005 Chevrolet Avalanche 1500 LT 2005 Chevrolet Avalanche 1500 Z66 2005 Chevrolet Avalanche 1500 Z71 2005 Chevrolet Corvette Base 2005 Chevrolet Express 1500 Base 2005 Chevrolet Express 1500 LS 2005 Chevrolet Express 2500 Base 2005 Chevrolet Express 2500 LS 2005 Chevrolet Express 3500 Base 2005 Chevrolet Silverado 1500 Base 2005 Chevrolet Silverado 1500 LS 2005 Chevrolet Silverado 1500 LT 2005 Chevrolet Silverado 3500 Base 2005 Chevrolet SSR Base 2005 Chevrolet Suburban 1500 LS 2005 Chevrolet Suburban 1500 LT 2005 Chevrolet Suburban 1500 Z71 2005 Chevrolet Tahoe LS 2005 Chevrolet Tahoe LT 2005 Chevrolet Tahoe Z71 2005 GMC Savana 1500 Base 2005 GMC Savana 1500 SLE 2005 GMC Savana 2500 Base 2005 GMC Savana 2500 SLE 2005 GMC Savana 3500 Base 2005 GMC Savana 3500 SLE 2005 GMC Sierra 1500 Base 2005 GMC Sierra 1500 SLE 2005 GMC Sierra 1500 SLT 2005 GMC Sierra 1500 WT 2005 GMC Yukon SLE 2005 GMC Yukon SLT 2005 GMC Yukon XL 1500 SLE 2005 GMC Yukon XL 1500 SLT 2005 Hummer H2 Base 2005 Pontiac GTO Base 2006 Cadillac CTS V 2006 Chevrolet Avalanche 1500 LS 2006 Chevrolet Avalanche 1500 LT 2006 Chevrolet Avalanche 1500 Z66 2006 Chevrolet Avalanche 1500 Z71 2006 Chevrolet Corvette Base 2006 Chevrolet Corvette Z06 2006 Chevrolet Express 1500 Base 2006 Chevrolet Express 1500 LS 2006 Chevrolet Express 1500 LT 2006 Chevrolet Express 2500 Base 2006 Chevrolet Express 2500 LS 2006 Chevrolet Express 2500 LT 2006 Chevrolet Silverado 1500 LS 2006 Chevrolet Silverado 1500 LT 2006 Chevrolet Silverado 1500 WT 2006 Chevrolet SSR Base 2006 Chevrolet Suburban 1500 Base 2006 Chevrolet Suburban 1500 LS 2006 Chevrolet Suburban 1500 LT 2006 Chevrolet Suburban 1500 Z71 2006 Chevrolet Tahoe Base 2006 Chevrolet Tahoe LS 2006 Chevrolet Tahoe LT 2006 Chevrolet Tahoe Z71 2006 Chevrolet Trailblazer SS 2006 GMC Savana 1500 Base 2006 GMC Savana 1500 LS 2006 GMC Savana 1500 LT 2006 GMC Savana 2500 Base 2006 GMC Savana 3500 Base 2006 GMC Sierra 1500 SL 2006 GMC Sierra 1500 SLE 2006 GMC Sierra 1500 SLT 2006 GMC Sierra 1500 WT 2006 GMC Yukon SL 2006 GMC Yukon SLE 2006 GMC Yukon SLT 2006 GMC Yukon XL 1500 SL 2006 GMC Yukon XL 1500 SLE 2006 GMC Yukon XL 1500 SLT 2006 Hummer H2 Base 2006 Pontiac GTO Base 2007 Cadillac CTS V 2007 Chevrolet Corvette Base 2007 Chevrolet Corvette Z06 2007 Chevrolet Express 1500 Base 2007 Chevrolet Express 1500 LS 2007 Chevrolet Express 1500 LT 2007 Chevrolet Express 2500 Base 2007 Chevrolet Silverado 1500 LT 2007 Chevrolet Silverado 1500 LTZ 2007 Chevrolet Silverado 1500 WT 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic WT 2007 Chevrolet Trailblazer SS 2007 GMC Savana 2500 Base 2007 GMC Savana 3500 Base 2007 GMC Sierra 1500 SLE 2007 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic WT 2007 Hummer H2 Base 2008 Chevrolet Corvette Z06 2008 Chevrolet Trailblazer SS 2009 Chevrolet Corvette Z06 2009 Chevrolet Trailblazer SS 2010 Chevrolet Corvette Z06 2011 Chevrolet Corvette Z06 2011 Chevrolet Corvette Z06 Carbon 2012 Chevrolet Corvette Z06 2013 Chevrolet Corvette 427 2013 Chevrolet Corvette Z06 2014 Chevrolet Camaro Z/28 2015 Chevrolet Camaro Z/28