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  • Painless Wiring EFI Harness 60221 fits 2003-2006 Chevrolet Avalanche 1500, Express 2500, Express 3500, Silverado 1500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT / 2003-2006 GMC W3500, W4500 4.8L / 5.3L / 6.0L
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Painless Wiring03-06 GM 4.8/5.3/6.0L EFI Harness60221
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Painless Wiring EFI Harness 60221 fits 2003-2006 Chevrolet Avalanche 1500, Express 2500, Express 3500, Silverado 1500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT / 2003-2006 GMC W3500, W4500 4.8L / 5.3L / 6.0L

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

Painless Wiring
60221
In stock
$1,154.88 USD $874.99 USD
$874.99 USD
Painless Wiring EFI Harness 60221 fits 2003-2006 Chevrolet Avalanche 1500, Express 2500, Express 3500, Silverado 1500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT / 2003-2006 GMC W3500, W4500 4.8L / 5.3L / 6.0L
Description
EFI Wiring Harness - Extra Length - GM LS-Series 2003-06 - Kit


This Part Fits:

Year Make Model Submodel
2003 Chevrolet Avalanche 1500 North Face Crew Cab Pickup 4-Door
2003 Chevrolet Avalanche 1500 On Road Edition Crew Cab Pickup 4-Door
2003 Chevrolet Avalanche 1500 WBH Crew Cab Pickup 4-Door
2003 GMC W5500 Forward W5R042
2003,2005 Chevrolet Silverado 1500 HD LS Crew Cab Pickup 4-Door
2003,2005-2006 Chevrolet Silverado 1500 HD LT Crew Cab Pickup 4-Door
2003,2005-2006 GMC Sierra 1500 HD SLE Crew Cab Pickup 4-Door
2003,2005-2006 GMC Sierra 1500 HD SLT Crew Cab Pickup 4-Door
2003,2006 GMC Sierra 1500 SL Extended Cab Pickup 4-Door
2003,2006 GMC Sierra 1500 SL Standard Cab Pickup 2-Door
2003-2004 Chevrolet Express 1500 Base Standard Passenger Van 3-Door
2003-2004 Chevrolet Silverado 2500 400 SS Standard Cab Pickup 2-Door
2003-2004 Chevrolet Silverado 2500 Base Extended Cab Pickup 4-Door
2003-2004 Chevrolet Silverado 2500 Base Standard Cab Pickup 2-Door
2003-2004 Chevrolet Silverado 2500 LS Extended Cab Pickup 4-Door
2003-2004 Chevrolet Silverado 2500 LS Standard Cab Pickup 2-Door
2003-2004 Chevrolet Silverado 2500 LT Extended Cab Pickup 4-Door
2003-2004 Chevrolet SSR Base Convertible 2-Door
2003-2004 Chevrolet Tahoe LT Sport Utility 4-Door
2003-2004 Chevrolet Trailblazer EXT North Face Sport Utility 4-Door
2003-2004 GMC Sierra 1500 Denali Extended Cab Pickup 4-Door
2003-2004 GMC Sierra 2500 Base Extended Cab Pickup 4-Door
2003-2004 GMC Sierra 2500 Base Standard Cab Pickup 2-Door
2003-2004 GMC Sierra 2500 SLE Extended Cab Pickup 4-Door
2003-2004 GMC Sierra 2500 SLE Standard Cab Pickup 2-Door
2003-2004 GMC Sierra 2500 SLT Extended Cab Pickup 4-Door
2003-2004 GMC Sierra 2500 WT Standard Cab Pickup 2-Door
2003-2004 GMC W4500 Forward W4S042 Straight Truck - Low Crew Cab
2003-2004 GMC W5500 Forward W5S042
2003-2004 GMC W5500 Forward W5S042 Straight Truck - Low Crew Cab
2003-2004 GMC W5500 Forward W5S042 Straight Truck - Low Tilt
2003-2004 GMC W5500 Forward W5T042 Straight Truck - Low Tilt
2003-2004,2006 Chevrolet Express 1500 Base Standard Cargo Van 3-Door
2003-2004,2006 Chevrolet Express 1500 LS Standard Passenger Van 3-Door
2003-2005 Chevrolet Express 2500 Base Extended Cargo Van 3-Door
2003-2005 Chevrolet Express 2500,Express 3500 Base Extended Passenger Van 3-Door
2003-2005 Chevrolet Express 3500 LS Extended Passenger Van 3-Door
2003-2005 Chevrolet Express 3500 LS Standard Passenger Van 3-Door
2003-2005 Chevrolet Express 3500,Express 2500 Base Standard Passenger Van 3-Door
2003-2005 Chevrolet Silverado 1500,Silverado 2500 HD,Silverado 3500 Base Standard Cab Pickup 2-Door
2003-2005 Chevrolet Silverado 2500 HD,Silverado 3500 LS Crew Cab Pickup 4-Door
2003-2005 Chevrolet Silverado 2500 HD,Silverado 3500,Silverado 1500 Base Extended Cab Pickup 4-Door
2003-2005 Chevrolet Silverado 3500 Base Cab & Chassis 2-Door
2003-2005 Chevrolet Silverado 3500 Base Cab & Chassis 4-Door
2003-2005 Chevrolet Silverado 3500 LT Crew Cab Pickup 4-Door
2003-2005 Chevrolet Silverado 3500 LT Extended Cab Pickup 4-Door
2003-2005 Chevrolet Silverado 3500,Silverado 2500 HD Base Crew Cab Pickup 4-Door
2003-2005 GMC Envoy XL SLE Sport Utility 4-Door
2003-2005 GMC Savana 1500,Savana 2500,Savana 3500 Base Standard Passenger Van 3-Door
2003-2005 GMC Savana 2500 Base Extended Cargo Van 3-Door
2003-2005 GMC Savana 2500 Base Standard Cargo Van 3-Door
2003-2005 GMC Savana 2500,Savana 3500 SLE Extended Passenger Van 3-Door
2003-2005 GMC Savana 3500,Savana 2500 Base Extended Passenger Van 3-Door
2003-2005 GMC Savana 3500,Savana 2500,Savana 1500 SLE Standard Passenger Van 3-Door
2003-2005 GMC Sierra 1500,Sierra 2500 HD,Sierra 3500 Base Extended Cab Pickup 4-Door
2003-2005 GMC Sierra 1500,Sierra 2500 HD,Sierra 3500 Base Standard Cab Pickup 2-Door
2003-2005 GMC Sierra 2500 HD,Sierra 3500 Base Crew Cab Pickup 4-Door
2003-2005 GMC Sierra 3500 Base Cab & Chassis 2-Door
2003-2005 GMC Sierra 3500 Base Cab & Chassis 4-Door
2003-2005 GMC Yukon,Envoy XL SLT Sport Utility 4-Door
2003-2006 Chevrolet Avalanche 1500 Base Crew Cab Pickup 4-Door
2003-2006 Chevrolet Avalanche 1500 Z71 Crew Cab Pickup 4-Door
2003-2006 Chevrolet Express 2500,Express 3500 Base Extended Cargo Van 3-Door
2003-2006 Chevrolet Express 3500 Base Cutaway Van 2-Door
2003-2006 Chevrolet Express 3500,Express 2500 Base Standard Cargo Van 3-Door
2003-2006 Chevrolet Express 3500,Express 2500 LS Extended Passenger Van 3-Door
2003-2006 Chevrolet Express 3500,Express 2500 LS Standard Passenger Van 3-Door
2003-2006 Chevrolet Silverado 1500 SS Extended Cab Pickup 4-Door
2003-2006 Chevrolet Silverado 1500 WT Extended Cab Pickup 4-Door
2003-2006 Chevrolet Silverado 1500,Silverado 2500 HD WT Standard Cab Pickup 2-Door
2003-2006 Chevrolet Silverado 1500,Silverado 2500 HD,Silverado 3500 LS Extended Cab Pickup 4-Door
2003-2006 Chevrolet Silverado 1500,Silverado 2500 HD,Silverado 3500 LT Extended Cab Pickup 4-Door
2003-2006 Chevrolet Silverado 2500 HD,Silverado 3500,Silverado 1500 LS Standard Cab Pickup 2-Door
2003-2006 Chevrolet Silverado 3500 LS Cab & Chassis 2-Door
2003-2006 Chevrolet Silverado 3500 LS Cab & Chassis 4-Door
2003-2006 Chevrolet Silverado 3500,Silverado 2500 HD LS Crew Cab Pickup 4-Door
2003-2006 Chevrolet Silverado 3500,Silverado 2500 HD LT Crew Cab Pickup 4-Door
2003-2006 Chevrolet Suburban 1500 Base Sport Utility 4-Door
2003-2006 Chevrolet Suburban 1500,Tahoe,Suburban 2500,Trailblazer EXT LS Sport Utility 4-Door
2003-2006 Chevrolet Suburban 1500,Tahoe,Trailblazer EXT,Suburban 2500 LT Sport Utility 4-Door
2003-2006 Chevrolet Tahoe Z71 Sport Utility 4-Door
2003-2006 Chevrolet W3500 Tiltmaster W3S042
2003-2006 Chevrolet W3500 Tiltmaster W3S042 Straight Truck - Low Tilt
2003-2006 Chevrolet W4500 Tiltmaster W4S042 Straight Truck - Low Crew Cab
2003-2006 Chevrolet W4500 Tiltmaster W4S042 Straight Truck - Low Tilt
2003-2006 GMC Savana 1500,Savana 3500,Savana 2500 Base Standard Cargo Van 3-Door
2003-2006 GMC Savana 2500 Base Standard Passenger Van 3-Door
2003-2006 GMC Savana 3500 Base Cutaway Van 2-Door
2003-2006 GMC Savana 3500,Savana 2500 Base Extended Cargo Van 3-Door
2003-2006 GMC Sierra 1500 WT Extended Cab Pickup 4-Door
2003-2006 GMC Sierra 1500,Sierra 2500 HD WT Standard Cab Pickup 2-Door
2003-2006 GMC Sierra 1500,Sierra 2500 HD,Sierra 3500 SLE Extended Cab Pickup 4-Door
2003-2006 GMC Sierra 1500,Sierra 2500 HD,Sierra 3500 SLT Extended Cab Pickup 4-Door
2003-2006 GMC Sierra 2500 HD,Sierra 3500 SLT Crew Cab Pickup 4-Door
2003-2006 GMC Sierra 3500 SLE Cab & Chassis 2-Door
2003-2006 GMC Sierra 3500 SLE Cab & Chassis 4-Door
2003-2006 GMC Sierra 3500,Sierra 2500 HD SLE Crew Cab Pickup 4-Door
2003-2006 GMC Sierra 3500,Sierra 2500 HD,Sierra 1500 SLE Standard Cab Pickup 2-Door
2003-2006 GMC W3500 Forward W3S042
2003-2006 GMC W4500 Forward W4S042
2003-2006 GMC W4500 Forward W4S042 Straight Truck - Low Tilt
2003-2006 GMC Yukon XL 1500,Yukon Denali Sport Utility 4-Door
2003-2006 GMC Yukon XL 2500,Yukon XL 1500,Yukon SLT Sport Utility 4-Door
2003-2006 GMC Yukon,Yukon XL 2500,Yukon XL 1500 SLE Sport Utility 4-Door
2004 Chevrolet Silverado 1500 Z71 Off-Road Crew Cab Pickup 4-Door
2004 Chevrolet Silverado 1500 Z71 Off-Road Extended Cab Pickup 4-Door
2004 Chevrolet Silverado 1500 Z71 Off-Road Standard Cab Pickup 2-Door
2004 Chevrolet Silverado 2500 LS Crew Cab Pickup 4-Door
2004 Chevrolet Silverado 2500 LT Crew Cab Pickup 4-Door
2004 Chevrolet Silverado 2500 WT Extended Cab Pickup 4-Door
2004 Chevrolet Silverado 2500 WT Standard Cab Pickup 2-Door
2004 GMC Savana 2500 Base Extended Passenger Van 4-Door
2004 GMC Savana 2500 SLE Extended Passenger Van 4-Door
2004 GMC Sierra 1500,Sierra 2500 WT Extended Cab Pickup 4-Door
2004 GMC Sierra 2500 SLE Crew Cab Pickup 4-Door
2004 GMC Sierra 2500 SLT Crew Cab Pickup 4-Door
2004 GMC W5500HD Forward W5S042
2004,2006 Chevrolet Silverado 3500 WT Cab & Chassis 2-Door
2004,2006 Chevrolet Silverado 3500 WT Cab & Chassis 4-Door
2004,2006 Chevrolet Silverado 3500 WT Crew Cab Pickup 4-Door
2004,2006 Chevrolet Silverado 3500 WT Extended Cab Pickup 4-Door
2004,2006 Chevrolet Silverado 3500 WT Standard Cab Pickup 2-Door
2004-2005 GMC Envoy XUV SLE Sport Utility 4-Door
2004-2005 GMC Envoy XUV SLT Sport Utility 4-Door
2004-2005 GMC Savana 3500 Base Extended Cargo Van 3-Door
2004-2005 GMC Savana 3500 Base Extended Passenger Van 3-Door
2004-2005 GMC Savana 3500 Base Standard Cargo Van 3-Door
2004-2005 GMC Savana 3500 SLE Extended Passenger Van 3-Door
2004-2005 GMC Savana 3500 SLE Standard Passenger Van 3-Door
2004-2006 Chevrolet Avalanche 1500 Z66 Crew Cab Pickup 4-Door
2004-2006 Chevrolet Silverado 1500 LS Crew Cab Pickup 4-Door
2004-2006 Chevrolet Silverado 1500 LT Crew Cab Pickup 4-Door
2004-2006 Chevrolet Silverado 2500 HD WT Crew Cab Pickup 4-Door
2004-2006 Chevrolet Silverado 2500 HD WT Extended Cab Pickup 4-Door
2004-2006 Chevrolet Suburban 1500 Z71 Sport Utility 4-Door
2004-2006 GMC Sierra 1500 SLE Crew Cab Pickup 4-Door
2004-2006 GMC Sierra 1500 SLT Crew Cab Pickup 4-Door
2004-2006 GMC Sierra 3500 WT Cab & Chassis 2-Door
2004-2006 GMC Sierra 3500 WT Cab & Chassis 4-Door
2004-2006 GMC Sierra 3500 WT Standard Cab Pickup 2-Door
2004-2006 GMC Sierra 3500,Sierra 2500 HD WT Crew Cab Pickup 4-Door
2004-2006 GMC Sierra 3500,Sierra 2500 HD WT Extended Cab Pickup 4-Door
2005 Chevrolet Express 3500 Base Extended Cargo Van 3-Door
2005 Chevrolet Express 3500 Base Extended Passenger Van 3-Door
2005 Chevrolet Express 3500 Base Standard Cargo Van 3-Door
2005 Chevrolet Express 3500 Base Standard Passenger Van 3-Door
2005 Chevrolet Silverado 1500 HD Base Crew Cab Pickup 4-Door
2005-2006 Chevrolet Avalanche 1500 LS Crew Cab Pickup 4-Door
2005-2006 Chevrolet Avalanche 1500 LT Crew Cab Pickup 4-Door
2005-2006 Chevrolet Corvette Base Hatchback 2-Door
2005-2006 Chevrolet Corvette,SSR Base Convertible 2-Door
2005-2006 GMC Envoy,Envoy XL Denali Sport Utility 4-Door
2005-2006 GMC Sierra 1500 Denali Crew Cab Pickup 4-Door
2006 Chevrolet Express 1500,Express 3500 LT Standard Passenger Van 4-Door
2006 Chevrolet Express 2500,Express 3500 LT Extended Passenger Van 3-Door
2006 Chevrolet Express 2500,Express 3500,Express 1500 Base Standard Cargo Van 4-Door
2006 Chevrolet Express 2500,Express 3500,Express 1500 LT Standard Passenger Van 3-Door
2006 Chevrolet Express 3500,Express 1500 LS Standard Passenger Van 4-Door
2006 Chevrolet Impala SS Sedan 4-Door
2006 Chevrolet Monte Carlo SS Coupe 2-Door
2006 Chevrolet Silverado 1500 Hybrid Extended Cab Pickup 4-Door
2006 Chevrolet Silverado 1500 LT Standard Cab Pickup 2-Door
2006 Chevrolet Silverado 3500 LT Cab & Chassis 4-Door
2006 Chevrolet Suburban 1500 LTZ Sport Utility 4-Door
2006 Chevrolet Suburban 1500,Tahoe Base Sport Utility 4-Door
2006 Chevrolet Trailblazer LS Sport Utility 4-Door
2006 Chevrolet Trailblazer LT Sport Utility 4-Door
2006 Chevrolet Trailblazer SS Sport Utility 4-Door
2006 GMC Savana 1500,Savana 3500 LS Standard Passenger Van 4-Door
2006 GMC Savana 1500,Savana 3500 LT Standard Passenger Van 3-Door
2006 GMC Savana 1500,Savana 3500 LT Standard Passenger Van 4-Door
2006 GMC Savana 1500,Savana 3500,Savana 2500 Base Standard Cargo Van 4-Door
2006 GMC Savana 3500 LS Extended Passenger Van 3-Door
2006 GMC Savana 3500 LT Extended Passenger Van 3-Door
2006 GMC Savana 3500,Savana 1500 LS Standard Passenger Van 3-Door
2006 GMC Sierra 1500 Hybrid Extended Cab Pickup 4-Door
2006 GMC Sierra 1500,Sierra 2500 HD,Sierra 3500 SL Crew Cab Pickup 4-Door
2006 GMC Sierra 2500 HD,Sierra 3500 SL Standard Cab Pickup 2-Door
2006 GMC Sierra 3500 SL Cab & Chassis 2-Door
2006 GMC Sierra 3500 SL Cab & Chassis 4-Door
2006 GMC Sierra 3500,Sierra 2500 HD SL Extended Cab Pickup 4-Door
2006 GMC Yukon,Yukon XL 1500 SL Sport Utility 4-Door
2007 Chevrolet Silverado 1500 Classic Hybrid Extended Cab Pickup 4-Door
2007 Chevrolet Silverado 1500 Classic SS Extended Cab Pickup 4-Door
2007 Chevrolet Silverado 1500 Classic,Silverado 2500 HD Classic,Silverado 3500 Classic LS Crew Cab Pickup 4-Door
2007 Chevrolet Silverado 1500 Classic,Silverado 2500 HD Classic,Silverado 3500 Classic LS Standard Cab Pickup 2-Door
2007 Chevrolet Silverado 1500 Classic,Silverado 3500 Classic,Silverado 2500 HD Classic WT Extended Cab Pickup 4-Door
2007 Chevrolet Silverado 1500 Classic,Silverado 3500 Classic,Silverado 2500 HD Classic WT Standard Cab Pickup 2-Door
2007 Chevrolet Silverado 1500 HD Classic,Silverado 3500 Classic,Silverado 1500 Classic,Silverado 2500 HD Classic LT Crew Cab Pickup 4-Door
2007 Chevrolet Silverado 2500 HD Classic,Silverado 1500 Classic,Silverado 3500 Classic LT Standard Cab Pickup 2-Door
2007 Chevrolet Silverado 2500 HD Classic,Silverado 3500 Classic WT Crew Cab Pickup 4-Door
2007 Chevrolet Silverado 2500 HD Classic,Silverado 3500 Classic,Silverado 1500 Classic LS Extended Cab Pickup 4-Door
2007 Chevrolet Silverado 3500 Classic LS Cab & Chassis 2-Door
2007 Chevrolet Silverado 3500 Classic LS Cab & Chassis 4-Door
2007 Chevrolet Silverado 3500 Classic LT Cab & Chassis 2-Door
2007 Chevrolet Silverado 3500 Classic LT Cab & Chassis 4-Door
2007 Chevrolet Silverado 3500 Classic WT Cab & Chassis 2-Door
2007 Chevrolet Silverado 3500 Classic WT Cab & Chassis 4-Door
2007 Chevrolet Silverado 3500 Classic,Silverado 2500 HD Classic,Silverado 1500 Classic LT Extended Cab Pickup 4-Door
2007 GMC Sierra 1500 Classic Denali Crew Cab Pickup 4-Door
2007 GMC Sierra 1500 Classic Hybrid Extended Cab Pickup 4-Door
2007 GMC Sierra 1500 Classic,Sierra 2500 HD Classic,Sierra 3500 Classic SLT Extended Cab Pickup 4-Door
2007 GMC Sierra 1500 Classic,Sierra 2500 HD Classic,Sierra 3500 Classic,Sierra 1500 HD Classic SLE Crew Cab Pickup 4-Door
2007 GMC Sierra 1500 Classic,Sierra 3500 Classic,Sierra 2500 HD Classic SL Extended Cab Pickup 4-Door
2007 GMC Sierra 1500 Classic,Sierra 3500 Classic,Sierra 2500 HD Classic SLE Extended Cab Pickup 4-Door
2007 GMC Sierra 1500 Classic,Sierra 3500 Classic,Sierra 2500 HD Classic WT Standard Cab Pickup 2-Door
2007 GMC Sierra 2500 HD Classic,Sierra 3500 Classic,Sierra 1500 Classic SL Crew Cab Pickup 4-Door
2007 GMC Sierra 2500 HD Classic,Sierra 3500 Classic,Sierra 1500 Classic,Sierra 1500 HD Classic SLT Crew Cab Pickup 4-Door
2007 GMC Sierra 3500 Classic SL Cab & Chassis 2-Door
2007 GMC Sierra 3500 Classic SL Cab & Chassis 4-Door
2007 GMC Sierra 3500 Classic SLE Cab & Chassis 2-Door
2007 GMC Sierra 3500 Classic SLE Cab & Chassis 4-Door
2007 GMC Sierra 3500 Classic WT Cab & Chassis 2-Door
2007 GMC Sierra 3500 Classic WT Cab & Chassis 4-Door
2007 GMC Sierra 3500 Classic,Sierra 1500 Classic,Sierra 2500 HD Classic SLE Standard Cab Pickup 2-Door
2007 GMC Sierra 3500 Classic,Sierra 2500 HD Classic WT Crew Cab Pickup 4-Door
2007 GMC Sierra 3500 Classic,Sierra 2500 HD Classic,Sierra 1500 Classic SL Standard Cab Pickup 2-Door
2007 GMC Sierra 3500 Classic,Sierra 2500 HD Classic,Sierra 1500 Classic WT Extended Cab Pickup 4-Door
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