Skip to content
FAST Wiring Harness Main LS1LS2L
$418.95 USD
$418.95
Item is in stockHurry! Low inventoryItem is out of stock
Item is unavailable
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Brand: FAST
SKU: FST301108
UPC: 036584176534
SKU: FST301108
UPC: 036584176534
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.
Warranty
User 1
Catalog
Catalog
This Part Fits:
Warranty
User 1
Catalog
Catalog
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2007 | Cadillac | CTS | V |
| 2002-2005 | Chevrolet | Avalanche 1500 | Base |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS |
| 2005-2006 | Chevrolet | Avalanche 1500 | LT |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 2014-2015 | Chevrolet | Camaro | Z/28 |
| 1998-2002 | Chevrolet | Camaro | Z28 |
| 1998-2002 | Chevrolet | Camaro | Z28 SS |
| 2013 | Chevrolet | Corvette | 427 |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition Pace Car |
| 1997-2007 | Chevrolet | Corvette | Base |
| 1998 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 2001-2004,2006-2013 | Chevrolet | Corvette | Z06 |
| 2011 | Chevrolet | Corvette | Z06 Carbon |
| 2003-2007 | Chevrolet | Express 1500 | Base |
| 2003-2007 | Chevrolet | Express 1500 | LS |
| 2006-2007 | Chevrolet | Express 1500 | LT |
| 2003-2007 | Chevrolet | Express 2500 | Base |
| 2003-2006 | Chevrolet | Express 2500 | LS |
| 2006 | Chevrolet | Express 2500 | LT |
| 2003-2005 | Chevrolet | Express 3500 | Base |
| 1999-2005 | Chevrolet | Silverado 1500 | Base |
| 1999-2006 | Chevrolet | Silverado 1500 | LS |
| 1999-2007 | Chevrolet | Silverado 1500 | LT |
| 2007 | Chevrolet | Silverado 1500 | LTZ |
| 2002-2004,2006-2007 | Chevrolet | Silverado 1500 | WT |
| 2004 | Chevrolet | Silverado 1500 | Z71 |
| 2007 | Chevrolet | Silverado 1500 Classic | LS |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | WT |
| 1999-2004 | Chevrolet | Silverado 2500 | Base |
| 1999-2000 | Chevrolet | Silverado 2500 | LS |
| 1999-2000 | Chevrolet | Silverado 2500 | LT |
| 2004-2005 | Chevrolet | Silverado 3500 | Base |
| 2003-2006 | Chevrolet | SSR | Base |
| 2000-2001,2006 | Chevrolet | Suburban 1500 | Base |
| 2000-2006 | Chevrolet | Suburban 1500 | LS |
| 2000-2006 | Chevrolet | Suburban 1500 | LT |
| 2004-2006 | Chevrolet | Suburban 1500 | Z71 |
| 2000-2001,2006 | Chevrolet | Tahoe | Base |
| 2000-2006 | Chevrolet | Tahoe | LS |
| 2000-2006 | Chevrolet | Tahoe | LT |
| 2003-2006 | Chevrolet | Tahoe | Z71 |
| 2006-2009 | Chevrolet | Trailblazer | SS |
| 2003-2004 | Chevrolet | Trailblazer EXT | LS |
| 2003-2004 | Chevrolet | Trailblazer EXT | LT |
| 2003-2004 | Chevrolet | Trailblazer EXT | North Face |
| 2004 | GMC | Envoy XL | SLE |
| 2004 | GMC | Envoy XL | SLT |
| 2003-2006 | GMC | Savana 1500 | Base |
| 2006 | GMC | Savana 1500 | LS |
| 2006 | GMC | Savana 1500 | LT |
| 2003-2005 | GMC | Savana 1500 | SLE |
| 2003-2007 | GMC | Savana 2500 | Base |
| 2003-2005 | GMC | Savana 2500 | SLE |
| 2004-2007 | GMC | Savana 3500 | Base |
| 2005 | GMC | Savana 3500 | SLE |
| 2002-2005 | GMC | Sierra 1500 | Base |
| 2002 | GMC | Sierra 1500 | HT |
| 1999-2003,2006 | GMC | Sierra 1500 | SL |
| 1999-2007 | GMC | Sierra 1500 | SLE |
| 1999-2006 | GMC | Sierra 1500 | SLT |
| 2002-2007 | GMC | Sierra 1500 | WT |
| 2007 | GMC | Sierra 1500 Classic | SL |
| 2007 | GMC | Sierra 1500 Classic | SLE |
| 2007 | GMC | Sierra 1500 Classic | WT |
| 1999-2001 | GMC | Sierra 2500 | SL |
| 1999-2001 | GMC | Sierra 2500 | SLE |
| 1999-2001 | 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 |
| 2006 | GMC | Yukon | SL |
| 2000-2006 | GMC | Yukon | SLE |
| 2000-2006 | GMC | Yukon | SLT |
| 2006 | GMC | Yukon XL 1500 | SL |
| 2000-2006 | GMC | Yukon XL 1500 | SLE |
| 2000-2006 | GMC | Yukon XL 1500 | SLT |
| 2000-2001 | GMC | Yukon XL 2500 | SLT |
| 2003-2007 | Hummer | H2 | Base |
| 1998-2002 | Pontiac | Firebird | Formula |
| 1998-2002 | Pontiac | Firebird | Trans Am |
| 2004-2006 | Pontiac | GTO | Base |
Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.