Shop LS3 Engine Swap Wiring Harness

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$588.95
Holley EFI - MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness For Us With 58X/4X Gen 4 LS With Terminator Throttle Body Fuel Injection 558-112
Holley Performance Products
$588.95
Holley EFI - MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness For Us With 58X/4X Gen 4 LS With Terminator Throttle Body Fuel Injection 558-112
Holley Performance Products
$769.98
Painless Performance 60713: Painless Performance EFI Harnesses For GM LS1/LS6
Summit Racing
1
Free shipping
$769.98
Painless Performance 60713: Painless Performance EFI Harnesses For GM LS1/LS6
Summit Racing
1
$641.95
Holley EFI - Main Engine Harness For 24X LS W/TBI Main Harness For Us With 24X/1X Gen 3 LS With Terminator Throttle Body Fuel Injection 558-111
Holley Performance Products
$641.95
Holley EFI - Main Engine Harness For 24X LS W/TBI Main Harness For Us With 24X/1X Gen 3 LS With Terminator Throttle Body Fuel Injection 558-111
Holley Performance Products
$305.85
Swap Standalone Wiring Harness For 2006-15 Corvette LS3 LS2 6.2L TR6060 T56 58X
US eBay
Free shipping
$305.85
Swap Standalone Wiring Harness For 2006-15 Corvette LS3 LS2 6.2L TR6060 T56 58X
US eBay
Free shipping
$151.13
$167.10
Wiring Harness 6.2 L, TR6060 T56 58X DBWZ, Compatible For LS3 LS2 Engine 2006-2015, LS Swap Engine Harness, Stand Alone Wiring Harness, LS Wire
Temu US
655
$151.13
$167.10
Wiring Harness 6.2 L, TR6060 T56 58X DBWZ, Compatible For LS3 LS2 Engine 2006-2015, LS Swap Engine Harness, Stand Alone Wiring Harness, LS Wire
Temu US
655
$299.95
LS Swap Standalone Wiring Harness 97-06 LS1 Drive-By-Cable W/ 4L60E 4L70E Trans
US eBay
Free shipping
$299.95
LS Swap Standalone Wiring Harness 97-06 LS1 Drive-By-Cable W/ 4L60E 4L70E Trans
US eBay
Free shipping
$521.99
$563.99
JEGS GM LS Stand Alone Wire Harness 1999-2006 4.8-8.1L GM Vortec V8 With 4L60E/4L80E Transmission
JEGS High Performance
$521.99
$563.99
JEGS GM LS Stand Alone Wire Harness 1999-2006 4.8-8.1L GM Vortec V8 With 4L60E/4L80E Transmission
JEGS High Performance
$494.99
$543.99
JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
JEGS High Performance
$494.99
$543.99
JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
JEGS High Performance
$886.99
Painless Wiring Painless Performance 20120 Direct Fit Mustang Chassis Harness (1965-1966) - 22 Circuits
Amazon.com
13
Free shipping
$886.99
Painless Wiring Painless Performance 20120 Direct Fit Mustang Chassis Harness (1965-1966) - 22 Circuits
Amazon.com
13
$76.66
LS3 4L60E DBW Engine Wiring Harness Transmission Drive Independent Wiring Harness LS For 03-07 LS3 Turbo Engine 4.8L 5.3L 6.0L 4L60E Drive By Wire
Temu US
7
$76.66
LS3 4L60E DBW Engine Wiring Harness Transmission Drive Independent Wiring Harness LS For 03-07 LS3 Turbo Engine 4.8L 5.3L 6.0L 4L60E Drive By Wire
Temu US
7
$279.99
LS Swap Standalone Wiring Harness 1997-04 LS1 Drive-By-Wire DBW 4L60E Trans
US eBay
Free shipping
$279.99
LS Swap Standalone Wiring Harness 1997-04 LS1 Drive-By-Wire DBW 4L60E Trans
US eBay
Free shipping
$77.77
$82.44
LS3 4L60E DBW Engine Wiring Harness For 2003-2007 LS Engines 4.8L 5.3L 6.0L W/4L60E Transmission Drive By Wire
Temu US
5
$77.77
$82.44
LS3 4L60E DBW Engine Wiring Harness For 2003-2007 LS Engines 4.8L 5.3L 6.0L W/4L60E Transmission Drive By Wire
Temu US
5
$1,259.00
Wiring Specialties Universal / Standalone LINK Xtreme LS3 / VORTEC 4th Gen 58X DBW Wiring Harness - PRO SERIES
Enjuku Racing
$1,259.00
Wiring Specialties Universal / Standalone LINK Xtreme LS3 / VORTEC 4th Gen 58X DBW Wiring Harness - PRO SERIES
Enjuku Racing
$661.95
Holley EFI - Gen III HEMI Main Harness , Late, W/TPS And Idle Air Control Connections Gen III HEMI Main Harness W/Throttle Position Sensor & Idle Air
Holley Performance Products
$661.95
Holley EFI - Gen III HEMI Main Harness , Late, W/TPS And Idle Air Control Connections Gen III HEMI Main Harness W/Throttle Position Sensor & Idle Air
Holley Performance Products
$685.00
Ls2, Ls3, L92, Ls7, E38 58X Main Stand Alone Engine Wiring Harness
eBay
$685.00
Ls2, Ls3, L92, Ls7, E38 58X Main Stand Alone Engine Wiring Harness
eBay
$51.62
$57.35
Holley 558-463: Holley Terminator X Wideband Adapter Harnesses
Summit Racing
1
$51.62
$57.35
Holley 558-463: Holley Terminator X Wideband Adapter Harnesses
Summit Racing
1
$81.66
LS Swap Stand Alone Harness DBC 5.3 Wiring Harness For 97-04 Chevy
Temu US
1
$81.66
LS Swap Stand Alone Harness DBC 5.3 Wiring Harness For 97-04 Chevy
Temu US
1
$279.95
LS Swap Standalone Wiring Harness 97-06 LS1 DBC Engine T-56 Manual TH-350 TH-400
US eBay
Free shipping
$279.95
LS Swap Standalone Wiring Harness 97-06 LS1 DBC Engine T-56 Manual TH-350 TH-400
US eBay
Free shipping
$556.95
$617.95
Holley 558-133: Holley LS Extended-Length Main Engine Harnesses
Summit Racing
1
Free shipping
$556.95
$617.95
Holley 558-133: Holley LS Extended-Length Main Engine Harnesses
Summit Racing
1
$125.71
Ls3 Ls2 6.2L Standalone Harness 6L80e 58X Drive By Wire Dbw Truc Vett
eBay
Free shipping
$125.71
Ls3 Ls2 6.2L Standalone Harness 6L80e 58X Drive By Wire Dbw Truc Vett
eBay
Free shipping
$395.99
Universal Painless Performance 28-Circuit GM Truck Harness | Painless Performance 10204
Summit Racing
14
Free shipping
$395.99
Universal Painless Performance 28-Circuit GM Truck Harness | Painless Performance 10204
Summit Racing
14
$249.25
$276.95
Holley Sniper 558-328: Holley Sniper Hyperspark Plug-And-Play Main Wiring Harnesses
Summit Racing
1
Free shipping
10% off
$249.25
$276.95
Holley Sniper 558-328: Holley Sniper Hyperspark Plug-And-Play Main Wiring Harnesses
Summit Racing
1
$733.25
American Autowire 510089 Wiring Harness For Chevy Truck
Amazon.com
22
Free shipping
$733.25
American Autowire 510089 Wiring Harness For Chevy Truck
Amazon.com
22
$122.88
1997-2006 LS SWAPS DBC 4.8 5.3 6.0 Wiring Harness Stand Alone LS1-4L60E Generic
jcarpart.com
$122.88
1997-2006 LS SWAPS DBC 4.8 5.3 6.0 Wiring Harness Stand Alone LS1-4L60E Generic
jcarpart.com
$164.75
T56 Stand Alone Wire Harness Drive By Wire LS LS3 Vortec 03-07 4.8 5.3 6.0 DBW
Walmart
Free shipping
$164.75
T56 Stand Alone Wire Harness Drive By Wire LS LS3 Vortec 03-07 4.8 5.3 6.0 DBW
Walmart
Free shipping
$161.47
03-07 LS3 Engine Standalone Wire Harness Drive By Wire 4L60e 4.8 5.3 6.0 DBW New
Walmart
Free shipping
$161.47
03-07 LS3 Engine Standalone Wire Harness Drive By Wire 4L60e 4.8 5.3 6.0 DBW New
Walmart
Free shipping
$148.49
ICT Billet WT10030: ICT Billet ECM Bench Reader Diagnostic Tuning Tool Harnesses
Summit Racing
Free shipping
$148.49
ICT Billet WT10030: ICT Billet ECM Bench Reader Diagnostic Tuning Tool Harnesses
Summit Racing
Free shipping
$108.99
Design Engineering 010663 Easy Loom Split Sleeve Master Kit - Complete Vehicle Wire And Hose Protection
Amazon.com
151
Free shipping
$108.99
Design Engineering 010663 Easy Loom Split Sleeve Master Kit - Complete Vehicle Wire And Hose Protection
Amazon.com
151
$326.95
Holley Standalone Pro Dash Service Harness Service Harness For Holley Standalone 6.86" And 12.3" Pro Dash 558-457
Holley Performance Products
$326.95
Holley Standalone Pro Dash Service Harness Service Harness For Holley Standalone 6.86" And 12.3" Pro Dash 558-457
Holley Performance Products
$149.00
Wiring Specialties LS3 L96 L99 / Truck Engine Coil Pack Harness Set - PRO SERIES
Enjuku Racing
6
$149.00
Wiring Specialties LS3 L96 L99 / Truck Engine Coil Pack Harness Set - PRO SERIES
Enjuku Racing
6
$65.20
$72.00
LS1-4L60E Wiring Harness Stand Alone For LS For SWAPS For DBC 4.8 5.3 6.0 1999-2006
Temu US
264
$65.20
$72.00
LS1-4L60E Wiring Harness Stand Alone For LS For SWAPS For DBC 4.8 5.3 6.0 1999-2006
Temu US
264
$19.99
LS1 3 Wire MAF Harness To LS3 5 Wire MAF Adapter LSX LS Swap Mass Air Flow
Michigan Motorsports
$19.99
LS1 3 Wire MAF Harness To LS3 5 Wire MAF Adapter LSX LS Swap Mass Air Flow
Michigan Motorsports
$8.99
Cotonlake 36V 40A 4Pin SPST Harness Sockets With Color-Labeled Wires For Automotive Truck Van Motorcycle Boat Car Relay Harness,Replaces Type: JD
Amazon.com
$8.99
Cotonlake 36V 40A 4Pin SPST Harness Sockets With Color-Labeled Wires For Automotive Truck Van Motorcycle Boat Car Relay Harness,Replaces Type: JD
Amazon.com
$108.97
Ls Standalone Harness 6L80e/6L90e 58X Drive By Wire Dbw For Ls3 Ls2
eBay
Free shipping
$108.97
Ls Standalone Harness 6L80e/6L90e 58X Drive By Wire Dbw For Ls3 Ls2
eBay
Free shipping
$77.36
$85.95
Edelbrock 35714: Edelbrock LS Pro-Flo 4 EFI Harnesses
Summit Racing
$77.36
$85.95
Edelbrock 35714: Edelbrock LS Pro-Flo 4 EFI Harnesses
Summit Racing
$74.99
2003-07 Ls Vortec Standalone Wiring Harness W/ 4L60e 4.8 5.3 6.0
eBay
2
Free shipping
$74.99
2003-07 Ls Vortec Standalone Wiring Harness W/ 4L60e 4.8 5.3 6.0
eBay
2
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    Shop LS3 Engine Swap Wiring Harness

    Ads
    $588.95
    Holley EFI - MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness For Us With 58X/4X Gen 4 LS With Terminator Throttle Body Fuel Injection 558-112
    Holley Performance Products
    $588.95
    Holley EFI - MAIN ENGINE HARNESS FOR 58X LS W/TBI Main Harness For Us With 58X/4X Gen 4 LS With Terminator Throttle Body Fuel Injection 558-112
    Holley Performance Products
    $769.98
    Painless Performance 60713: Painless Performance EFI Harnesses For GM LS1/LS6
    Summit Racing
    1
    Free shipping
    $769.98
    Painless Performance 60713: Painless Performance EFI Harnesses For GM LS1/LS6
    Summit Racing
    1
    $641.95
    Holley EFI - Main Engine Harness For 24X LS W/TBI Main Harness For Us With 24X/1X Gen 3 LS With Terminator Throttle Body Fuel Injection 558-111
    Holley Performance Products
    $641.95
    Holley EFI - Main Engine Harness For 24X LS W/TBI Main Harness For Us With 24X/1X Gen 3 LS With Terminator Throttle Body Fuel Injection 558-111
    Holley Performance Products
    $305.85
    Swap Standalone Wiring Harness For 2006-15 Corvette LS3 LS2 6.2L TR6060 T56 58X
    US eBay
    Free shipping
    $305.85
    Swap Standalone Wiring Harness For 2006-15 Corvette LS3 LS2 6.2L TR6060 T56 58X
    US eBay
    Free shipping
    $151.13
    $167.10
    Wiring Harness 6.2 L, TR6060 T56 58X DBWZ, Compatible For LS3 LS2 Engine 2006-2015, LS Swap Engine Harness, Stand Alone Wiring Harness, LS Wire
    Temu US
    655
    $151.13
    $167.10
    Wiring Harness 6.2 L, TR6060 T56 58X DBWZ, Compatible For LS3 LS2 Engine 2006-2015, LS Swap Engine Harness, Stand Alone Wiring Harness, LS Wire
    Temu US
    655
    $299.95
    LS Swap Standalone Wiring Harness 97-06 LS1 Drive-By-Cable W/ 4L60E 4L70E Trans
    US eBay
    Free shipping
    $299.95
    LS Swap Standalone Wiring Harness 97-06 LS1 Drive-By-Cable W/ 4L60E 4L70E Trans
    US eBay
    Free shipping
    $521.99
    $563.99
    JEGS GM LS Stand Alone Wire Harness 1999-2006 4.8-8.1L GM Vortec V8 With 4L60E/4L80E Transmission
    JEGS High Performance
    $521.99
    $563.99
    JEGS GM LS Stand Alone Wire Harness 1999-2006 4.8-8.1L GM Vortec V8 With 4L60E/4L80E Transmission
    JEGS High Performance
    $494.99
    $543.99
    JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
    JEGS High Performance
    $494.99
    $543.99
    JEGS GM LS Stand Alone Wire Harness For 1997-2005 GM 5.7L LS1 & LS6 V8 & 1999-2006 4.8-8.1L GM Vortec V8 With GM T-56 Transmission
    JEGS High Performance
    $886.99
    Painless Wiring Painless Performance 20120 Direct Fit Mustang Chassis Harness (1965-1966) - 22 Circuits
    Amazon.com
    13
    Free shipping
    $886.99
    Painless Wiring Painless Performance 20120 Direct Fit Mustang Chassis Harness (1965-1966) - 22 Circuits
    Amazon.com
    13
    $76.66
    LS3 4L60E DBW Engine Wiring Harness Transmission Drive Independent Wiring Harness LS For 03-07 LS3 Turbo Engine 4.8L 5.3L 6.0L 4L60E Drive By Wire
    Temu US
    7
    $76.66
    LS3 4L60E DBW Engine Wiring Harness Transmission Drive Independent Wiring Harness LS For 03-07 LS3 Turbo Engine 4.8L 5.3L 6.0L 4L60E Drive By Wire
    Temu US
    7
    $279.99
    LS Swap Standalone Wiring Harness 1997-04 LS1 Drive-By-Wire DBW 4L60E Trans
    US eBay
    Free shipping
    $279.99
    LS Swap Standalone Wiring Harness 1997-04 LS1 Drive-By-Wire DBW 4L60E Trans
    US eBay
    Free shipping
    $77.77
    $82.44
    LS3 4L60E DBW Engine Wiring Harness For 2003-2007 LS Engines 4.8L 5.3L 6.0L W/4L60E Transmission Drive By Wire
    Temu US
    5
    $77.77
    $82.44
    LS3 4L60E DBW Engine Wiring Harness For 2003-2007 LS Engines 4.8L 5.3L 6.0L W/4L60E Transmission Drive By Wire
    Temu US
    5
    $1,259.00
    Wiring Specialties Universal / Standalone LINK Xtreme LS3 / VORTEC 4th Gen 58X DBW Wiring Harness - PRO SERIES
    Enjuku Racing
    $1,259.00
    Wiring Specialties Universal / Standalone LINK Xtreme LS3 / VORTEC 4th Gen 58X DBW Wiring Harness - PRO SERIES
    Enjuku Racing
    $661.95
    Holley EFI - Gen III HEMI Main Harness , Late, W/TPS And Idle Air Control Connections Gen III HEMI Main Harness W/Throttle Position Sensor & Idle Air
    Holley Performance Products
    $661.95
    Holley EFI - Gen III HEMI Main Harness , Late, W/TPS And Idle Air Control Connections Gen III HEMI Main Harness W/Throttle Position Sensor & Idle Air
    Holley Performance Products
    $685.00
    Ls2, Ls3, L92, Ls7, E38 58X Main Stand Alone Engine Wiring Harness
    eBay
    $685.00
    Ls2, Ls3, L92, Ls7, E38 58X Main Stand Alone Engine Wiring Harness
    eBay
    $51.62
    $57.35
    Holley 558-463: Holley Terminator X Wideband Adapter Harnesses
    Summit Racing
    1
    $51.62
    $57.35
    Holley 558-463: Holley Terminator X Wideband Adapter Harnesses
    Summit Racing
    1
    $81.66
    LS Swap Stand Alone Harness DBC 5.3 Wiring Harness For 97-04 Chevy
    Temu US
    1
    $81.66
    LS Swap Stand Alone Harness DBC 5.3 Wiring Harness For 97-04 Chevy
    Temu US
    1
    $279.95
    LS Swap Standalone Wiring Harness 97-06 LS1 DBC Engine T-56 Manual TH-350 TH-400
    US eBay
    Free shipping
    $279.95
    LS Swap Standalone Wiring Harness 97-06 LS1 DBC Engine T-56 Manual TH-350 TH-400
    US eBay
    Free shipping

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