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LSx/LTx Wiring Harness

LSx/LTx Wiring Harness

If you are going to do this upgrade, do it right...

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  • 2004 Lincoln Navigator EFI ECU/Harness
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    2004 Lincoln Navigator EFI ECU/Harness

    LSxEverything

    $2,399.99
    Now you can control your Lincoln Navigator with everything that you need! Makes this plug and play for your Lincoln Navigator.Features and notes:* Eight sequentially driven 8:2 peak and hold injector drivers capable of driving up to 16 low or...
    $2,399.99
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  • This is the controller kit that you will need to maximize the power of your LSX376/525HP Crate engine Controller* Engine Harness Mass Air Flow Meter Mass Air Flow Meter Mounting Boss Accelerator Pedal Assembly Oxygen Sensors (Qty 2 Per Kit) Oxygen Sensor Mounting Boss (Qty 2 Per Kit) Instruction Sheet • Includes all the components required to run LS376/525 crate engine • Max rpm 6,600 Please note that GM controllers, harnesses, and controller kits are stand alone setups and cannot be used along with or instead of the same components in any GM vehicle. They are meant to install an LS crate engine in a vehicle that never had one such as older GM cars or kit cars
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    376 CI | 6.2L | 525HP Controller Kit

    General Motors

    MSRP: $2,799.99
    $1,699.99
    This is the controller kit that you will need to maximize the power of your LSX376/525HP Crate engine! Controller* Engine Harness Mass Air Flow Meter Mass Air Flow Meter Mounting Boss Accelerator Pedal Assembly Oxygen Sensors (Qty 2 Per...
    MSRP: $2,799.99
    $1,699.99
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  • Self Tuning: Yes User Tunable: Yes Maximum Horsepower with Gas: 500 Timing Control Compatible: Yes EGR: No Transmission Controller Included: No Injection Style: Multi-port Metering Style: Speed density (Map-N) and speed throttle (Alpha-N) Power Adder Compatible: No Intake Manifold Included: Yes Intake Section Included: Complete Intake Material: Aluminum Intake Finish: Black anodized Engine Block Deck Height: Standard deck Fuel Rails Included: Yes Throttle Body Included: Yes Venturi Quantity: 1 Venturi Diameter (mm): 92.00mm Airflow Rate (cfm): 1,000 cfm Throttle Body Material: Billet aluminum Throttle Body Finish: Black anodized Injectors Included: Yes Injector Size (lbs/hr): 36 lbs./hr. Calibration Module Included: Yes ECM Included: Yes Wiring Harness Included: Yes Oxygen Sensor Included: Yes Fuel Pump Included: No Fuel Pressure Regulator Included: No Distributor Included: No MAP Sensor Included: Yes IAT Sensor Included: Yes TPS Sensor Included: Yes Self Tuning: Yes User Tunable: Yes Maximum Horsepower with Gas: 500 Timing Control Compatible: Yes EGR: No Transmission Controller Included: Yes Injection Style: Sequential multi-port Metering Style: Speed density (Map-N) and speed throttle (Alpha-N) Power Adder Compatible: No Intake Manifold Included: Yes Intake Section Included: Complete Intake Material: Aluminum Intake Finish: Black anodized Engine Block Deck Height: Standard deck Fuel Rails Included: Yes Throttle Body Included: Yes Venturi Quantity: 1 Venturi Diameter (mm): 92.00mm Airflow Rate (cfm): 1,000 cfm Throttle Body Material: Billet aluminum Throttle Body Finish: Black anodized Injectors Included: Yes Injector Size (lbs/hr): 36 lbs./hr. Calibration Module Included: Yes ECM Included: Yes Wiring Harness Included: Yes Oxygen Sensor Included: Yes Fuel Pump Included: No Fuel Pressure Regulator Included: No Distributor Included: No MAP Sensor Included: Yes IAT Sensor Included: Yes TPS Sensor Included: Yes IAC Motor Included: Yes Quantity: Sold as a kit. Notes: This kit must be used with the factory coil pack sub-harness
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    500 HP User Tunable Harness System

    FiTech

    MSRP: $1,999.99
    $1,649.99
    FiTech has some of the best-engineered and priced throttle body systems on the market. Their LS EFI 500HP fuel injection systems bring incredible ingenuity to the market. FiTech fabricated many aluminum parts for these systems, including the low-profile...
    MSRP: $1,999.99
    $1,649.99
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  • Self Tuning: Yes User Tunable: Yes Maximum Horsepower with Gas: 500 Timing Control Compatible: Yes EGR: No Transmission Controller Included: Yes Injection Style: Multi-port Metering Style: Speed density (Map-N) and speed throttle (Alpha-N) Power Adder Compatible: No Intake Manifold Included: Yes Intake Section Included: Complete Intake Material: Aluminum Intake Finish: Black anodized Engine Block Deck Height: Standard deck Fuel Rails Included: Yes Throttle Body Included: Yes Venturi Quantity: 1 Venturi Diameter (mm): 92.00mm Airflow Rate (cfm): 1,000 cfm Throttle Body Material: Billet aluminum Throttle Body Finish: Black anodized Injectors Included: Yes Injector Size (lbs/hr): 36 lbs./hr. Calibration Module Included: Yes ECM Included: Yes Wiring Harness Included: Yes Oxygen Sensor Included: Yes Fuel Pump Included: No Fuel Pressure Regulator Included: No Distributor Included: No MAP Sensor Included: Yes IAT Sensor Included: Yes TPS Sensor Included: Yes IAC Motor Included: Yes Quantity: Sold as a kit. Self Tuning: Yes User Tunable: Yes Maximum Horsepower with Gas: 500 Timing Control Compatible: Yes EGR: No Transmission Controller Included: Yes Injection Style: Multi-port Metering Style: Speed density (Map-N) and speed throttle (Alpha-N) Power Adder Compatible: No Intake Manifold Included: Yes Intake Section Included: Complete Intake Material: Aluminum Intake Finish: Black anodized Engine Block Deck Height: Standard deck Fuel Rails Included: Yes Throttle Body Included: Yes Venturi Quantity: 1 Venturi Diameter (mm): 92.00mm Airflow Rate (cfm): 1,000 cfm Throttle Body Material: Billet aluminum Throttle Body Finish: Black anodized Injectors Included: Yes Injector Size (lbs/hr): 36 lbs./hr. Calibration Module Included: Yes ECM Included: Yes Wiring Harness Included: Yes Oxygen Sensor Included: Yes Fuel Pump Included: No Fuel Pressure Regulator Included: No Distributor Included: No MAP Sensor Included: Yes IAT Sensor Included: Yes TPS Sensor Included: Yes IAC Motor Included: Yes Quantity: Sold as a kit.
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    500 HP User Tunable Harness System II

    FiTech

    MSRP: $2,199.99
    $1,899.99
    FiTech has some of the best-engineered and priced throttle body systems on the market. Their LS EFI 500HP fuel injection systems bring incredible ingenuity to the market. FiTech fabricated many aluminum parts for these systems, including the low-profile...
    MSRP: $2,199.99
    $1,899.99
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  • Painless Performance 19-circuit GMC/Chevy truck harnesses consists of a new chassis designed harness for use on 1963-66 GM/Chevy pickups. These harnesses includes a pre-terminated fuse block and high temp, color coded wire. Complete wiring from headlight to taillight. Each harness includes circuits for: * Air conditioning / heat * Accessory / Four wheel drive switch * Backup lights * Charging * Dome * Electric choke * Emergency flashers * Fan relay * Fused power source * Headlights * Horn * Ignition coil * Instrument panel lighting and gauges (see notes above) * Parking lights * Radio (constant/ignition hot) * Starting * Taillights and trailer lights * Turn signals * Wipers
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    63-66 Chevy Truck | 19 Circuit Harness

    Painless Performance

    MSRP: $699.99
    $599.99
    Painless Performance 19-circuit GMC/Chevy truck harnesses consists of a new chassis designed harness for use on 1963-66 GM/Chevy pickups. These harnesses includes a pre-terminated fuse block and high temp, color coded wire. Complete wiring from headlight...
    MSRP: $699.99
    $599.99
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  • Nothing could make re-wiring your Chevy/GMC truck any easier than these Painless Performance harnesses. By adding a factory-style bulkhead connector and additional GM connectors, Painless made their universal harness a custom fit for these popular 2x4 and 4x4 GMC/Chevy pickups. These harnesses will work on pickups, Blazers and Suburbans. The very kit used on Dirty Dianah! Free Shipping
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    67-72 Chevy/GM Truck | 28 Circuit

    Painless Performance

    MSRP: $799.00
    $621.99
    Free Shipping Circuit Quantity:28 Ignition Key Location:Dash Harness Length:Standard Fuse Block Included:Yes Fuse Block Location:Front Fuse Style:ATO/ATC Quantity:Sold as a kit. Notes:Factory air conditioning requires additional harness, sold...
    MSRP: $799.00
    $621.99
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  • Painless Performance 25-Circuit 1969-74 GM muscle car harnesses feature a pre-wired factory style bulkhead connector that plugs directly into the back of the fuse block in the factory location. Factory original quick connect terminals are included for the in dash printed circuit board. Pre-terminated plugs for a column mounted ignition switch, dimmer switch, headlights & headlight switch, blower motor, wiper motor, and turn signal switch. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.
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    69-74 Muscle Car Harness | 25 Circuit

    Painless Performance

    $645.95
    Circuit Quantity:25 Ignition Key Location:Column Harness Length:Standard Fuse Block Included:Yes Fuse Block Location:Front Fuse Style:ATO/ATC Quantity:Sold as a kit. Notes: Works with GM column. Includes wires for cigarette lighter light,...
    $645.95
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  • This transmission controller is designed for situations where a standalone transmission controller cannot control the transmission directly. This all-in-one solution that will allow the 6L80E or 6L90E just transmission and factory controller to be installed in any vehicle with any engine combination and maintain a fully functional transmission. This can also be programmed to activate 2 additional calibrations, each including shift tables and torque converter lockup table. It has been used in many applications and engine combinations, such as Cummin 2.8L, 4BT Diesels, Gen 1 , 2 and 3 GM engines. Whether they are carbureted or Fuel Injected, this system will allow you to use the GM 6 Speeds in practically any vehicle. Comes with a complete harness and the necessary software to program the module. Also compatible with the GM 6L45/50, 6L80/90, 6T30/40/45 and 6T70/75E.
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    6L80E/6L90E Standalone Controller

    LSxEverything

    $999.99
    This transmission controller is designed for situations where a standalone transmission controller cannot control the transmission directly. This all-in-one solution that will allow the 6L80E or 6L90E just transmission and factory controller to be...
    $999.99
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  • Nothing could make re-wiring your Chevy/GMC truck any easier than these Painless Performance harnesses. By adding a factory-style bulkhead connector and additional GM connectors, Painless made their universal harness a custom fit for these popular 2x4 and 4x4 GMC/Chevy pickups. These harnesses will work on pickups, Blazers and Suburbans. Free Shipping!
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    73-87 Chevy/GM Truck | 27 Circuit

    Painless Performance

    MSRP: $899.00
    $789.99
    Free Shipping Circuit Quantity:27 Ignition Key Location:Column Harness Length:Standard Fuse Block Included:Yes Fuse Block Location:Front Fuse Style:ATO/ATC Quantity:Sold as a kit. Notes:Works with GM column. Includes wires for brake warning...
    MSRP: $899.00
    $789.99
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  • Self Tuning: Yes User Tunable: Yes Maximum Horsepower with Gas: 750 Timing Control Compatible: Yes EGR: No Transmission Controller Included: No Injection Style: Multi-port Metering Style: Speed density (Map-N) and speed throttle (Alpha-N) Power Adder Compatible: No Intake Manifold Included: Yes Intake Section Included: Complete Intake Material: Aluminum Intake Finish: Black anodized Engine Block Deck Height: Standard deck Fuel Rails Included: Yes Throttle Body Included: Yes Venturi Quantity: 1 Venturi Diameter (mm): 102.00mm Airflow Rate (cfm): 1,000 cfm Throttle Body Material: Billet aluminum Throttle Body Finish: Black anodized Injectors Included: Yes Injector Size (lbs/hr): 55 lbs./hr. Calibration Module Included: Yes ECM Included: Yes Wiring Harness Included: Yes Oxygen Sensor Included: Yes Fuel Pump Included: No Fuel Pressure Regulator Included: No Distributor Included: No MAP Sensor Included: Yes IAT Sensor Included: Yes TPS Sensor Included: Yes IAC Motor Included: Yes Quantity: Sold as a kit. Notes: This kit must be used with the factory coil pack sub-harness Self Tuning: Yes User Tunable: Yes Maximum Horsepower with Gas: 750 Timing Control Compatible: Yes EGR: No Transmission Controller Included: No Injection Style: Multi-port Metering Style: Speed density (Map-N) and speed throttle (Alpha-N) Power Adder Compatible: No Intake Manifold Included: Yes Intake Section Included: Complete Intake Material: Aluminum Intake Finish: Black anodized Engine Block Deck Height: Standard deck Fuel Rails Included: Yes Throttle Body Included: Yes Venturi Quantity: 1 Venturi Diameter (mm): 102.00mm Airflow Rate (cfm): 1,000 cfm Throttle Body Material: Billet aluminum Throttle Body Finish: Black anodized Injectors Included: Yes Injector Size (lbs/hr): 55 lbs./hr. Calibration Module Included: Yes ECM Included: Yes Wiring Harness Included: Yes Oxygen Sensor Included: Yes Fuel Pump Included: No Fuel Pressure Regulator Included: No Distributor Included: No MAP Sensor Included: Yes IAT Sensor Included: Yes TPS Sensor Included: Yes IAC Motor Included: Yes Quantity: Sold as a kit. Notes: This kit must be used with the factory coil pack sub-harness
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    750 HP User Tunable Harness System

    FiTech

    MSRP: $2,199.99
    $1,899.99
    FiTech has some of the best-engineered and priced throttle body systems on the market. Their LS EFI 500HP fuel injection systems bring incredible ingenuity to the market. FiTech fabricated many aluminum parts for these systems, including the low-profile...
    MSRP: $2,199.99
    $1,899.99
    Add to Cart Quick view
  • These Chevrolet Performance automatic transmission controllers include the wiring harness, controller, software, and laptop hookup. They are designed to allow for the use of electronically controlled transmissions in early model vehicles. Chevrolet Performance automatic transmission controllers are fully programmable for upshift, downshift, part throttle and wide-open shifts, and shift firmness. They come preprogrammed--just enter your rear tire diameter and rear axle ratio and go, or create your own custom shift characteristics. Chevrolet Performance automatic transmission controllers were originally developed by GM Racing for off-road truck racing. They have the ability to record and graph drag racing data like time, speed, shift point, engine rpm, and more.
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    Automatic Transmission Controller

    Chevrolet Performance

    MSRP: $1,599.99
    $1,399.99
    These Chevrolet Performance automatic transmission controllers include the wiring harness, controller, software, and laptop hookup. They are designed to allow for the use of electronically controlled transmissions in early model vehicles. Chevrolet...
    MSRP: $1,599.99
    $1,399.99
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