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FuelTech PRO550/600 V8 Smart Coil Harnesses
FuelTech PRO550/600 V8 Smart coil harnesses are true plug-and-play expansions to complement both the PRO550 and PRO600 V8 harness. With these expansion harnesses you can make the change to multi-Smart coils with ease. Each harness is fitted with a 16-way CPC firewall connection that makes adding the coils a simple installation. The harnesses include all terminations to suit the Smart coils, FuelTech CAN connection, and output controls. FuelTech PRO550/600 harnesses have a label for each connector and the insulation is heat, moisture, and oil-resistant. Additional information: * Harness is built for use with FuelTech's Smart ignition coils with built-in igniter * Uses outputs B (gray wires) on PRO600 harness * Includes: -- Fuse and relay -- Power and ground ring terminals (battery) -- 10-way connector with wires for connection with the ECU and CPC connector for the firewall
Not Yet Reviewed
$549.00
FuelTech NanoPRO Bosch LSU 4.9 Harnesses
FuelTech offers NanoPRO harnesses specifically designed for use with Bosch LSU 4.9 oxygen sensors. The 78 in. harnesses are the typical length for most applications. They are compatible with FuelTech NanoPRO products, but not with FuelTech WB-O2 Nano.
Not Yet Reviewed
$69.00
FuelTech FT550 B Unterminated Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak & Hold systems. FuelTech FT550 B unterminated harnesses are for upgrading from FT450. The B harnesses are offered in 10 ft. and 20 ft. lengths. Wire your project from scratch with the help of FuelTech's unterminated harnesses.
Not Yet Reviewed
$139.00
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$189.00
FuelTech FT600 Unterminated Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak & Hold systems. FuelTech FT600 unterminated harnesses consist of the A harness and B harness. They are offered in 10 ft. and 20 ft. lengths with identification printed on each wire. Start from scratch with the help of FuelTech's unterminated harnesses.
Not Yet Reviewed
$329.00
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$419.00
FuelTech WB-O2 Nano Unterminated Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak & Hold systems. FuelTech WB-O2 Nano unterminated harnesses are ready to wire your wideband oxygen sensor display and conditioner. They are offered in 3 ft., 6.5 ft. (recommended size for most applications), and 15 ft. lengths. Easily install a Nano with the help of FuelTech's unterminated harnesses.
Not Yet Reviewed
$69.00
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$79.00
FuelTech Sealed Relay Holders
FuelTech's sealed relay holders enable you to make simple updates or replacements in your vehicle. Use these FuelTech sealed relay holders to make installation easier! Order the relay holder needed for your application.
Not Yet Reviewed
$14.00
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$29.00
FuelTech SparkPRO-4 Wiring Harnesses
FuelTech offers a variety of harnesses including these high-quality unterminated SparkPRO-4 wiring harnesses for use with FuelTech's SparkPRO-4 high-energy inductive ignition modules (sold separately). From plug-and-play to unterminated—FuelTech has the correct harness to help you to complete your FuelTech ECU-equipped project.
Not Yet Reviewed
$32.00
FuelTech FT550 6-Cylinder Universal Expansion B Harnesses
FuelTech's FT550 6-cylinder universal B harnesses make a FT550 ECU installation faster and easier, and they must be used along with the FT450/FT550 6-cylinder Universal A harness. The expansion B harness will fit 6-cylinder projects with 12 injectors, controlled by an FT550 ECU. The harness also changes the setup to sequential ignition and sequential primary injectors, using the Fuel/Ignition Mode connector. The insulation and connectors are moisture-, heat-, and oil-resistant. Specifications: * 6 EV1 injector connectors (12 when using FT550 and expansion B harness) * FuelTech Peak and Hold external driver ready (both A and B harnesses) * FuelTech WB-O2 NANO ready (one) * Intake air temperature sensor ready (GM-style connector) * Engine temperature (coolant) sensor ready * Fuel and oil pressure sensor ready * Extra output connector for custom use * Crank and cam (Hall and VR) loose wires
Not Yet Reviewed
$329.00
FuelTech SparkPRO-2 Wiring Harnesses
FuelTech offers a variety of harnesses including these high-quality unterminated SparkPRO-2 wiring harnesses for use with FuelTech's SparkPRO-2 high-energy inductive ignition modules (sold separately). From plug-and-play to unterminated—FuelTech has the correct harness to help you to complete your FuelTech ECU-equipped project.
Not Yet Reviewed
$22.00
FuelTech FT700 C and D Unterminated Harnesses
With superior quality and adaptability, FuelTech's unterminated wiring harnesses empower enthusiasts and professionals alike to unleash the full potential of their vehicles. FuelTech FT700 C and D unterminated harnesses are optional, but highly recommended wiring solutions, allowing you to fully leverage the engine management capabilities of FuelTech's ECUs. These harnesses are essential to use the ECUs' two internal wideband O2 sensor controllers, as well as substantially increasing the available inputs and outputs. Get unparalleled flexibility for your wiring needs with FuelTech unterminated wiring harnesses.
Not Yet Reviewed
$329.00
FuelTech FT450/550 A Unterminated Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak & Hold systems. FuelTech FT450/550 A unterminated harnesses are offered in 10 ft. and 20 ft. lengths for FT450/550 A connectors. Wire your project from scratch with the help of FuelTech's unterminated harnesses.
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$139.00
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$189.00
FuelTech LS550 V8 Complete Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses for fast, headache-free installation. FuelTech LS550 V8 complete harnesses are the best fit for a standalone LS swap utilizing the FuelTech FT550 or FT550LITE ECU and GM LS engine. These plug-and-play harnesses come pre-terminated to suit an LS engine with all relays and fuses for a simple 3-wire battery hookup and ignition power. They are ready for both 58x and 24x triggers with provision for direct connection to LS3-style ignition coils, GM-style flex fuel sensor, and dual wideband Nano connection. FuelTech's LS550 harnesses are set up for both cable and drive-by-wire based throttles, with the connector for a GM-style accelerator pedal on the cabin side of the harnesses. Each connector has its own label and the connectors and harness insulation are heat, moisture, and oil-resistant.
Not Yet Reviewed
$799.00
FuelTech FT450/550 4-Cylinder Universal A Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses for fast, headache-free installation. FuelTech FT450/550 4-cylinder universal A harnesses can be used with both the FT450 and FT550 ECUs in a complete plug-and-play style. They fit systems with up to four injectors and four individual smart coils, wired in semi-sequential fuel injection and wasted spark ignition. They can be used with high or low impedance injectors; low impedance requiring the use of a peak and hold driver; high impedance requiring a peak and hold jumper harness (both sold separately). The harnesses are set up for either VR or Hall effect cam and crank sensors and include three relays with built-in fuses for main electronics, injectors, and coils. FuelTech universal 4-cylinder A harness has a label for each connector and the insulation is heat, moisture, and oil-resistant.
Not Yet Reviewed
$599.00
FuelTech Peak and Hold Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak and Hold systems. FuelTech Peak and Hold harnesses are ready to wire your injector drivers and they are compatible with all current versions. Easily install your Peak & Hold unit with the proper FuelTech's harness.
Not Yet Reviewed
$29.00
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$129.00
FuelTech FTSPARK-8 Unterminated Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak & Hold systems. FuelTech FTSPARK-8 unterminated harnesses are ready to wire your high-energy CDI. Wire from scratch with the help of FuelTech's unterminated harnesses.
Not Yet Reviewed
$209.00
FuelTech FT550 4-Cylinder Universal B Expansion Harnesses
FuelTech FT550 4-cylinder universal B expansion harnesses complement FuelTech's universal 4-cylinder A harness with the options to control up to eight injectors staged sequentially, have direct connection for inbuilt gear controller, and the additions to inputs and outputs. The harnesses come with a relay with a built-in fuse for power supply to the extra four injectors. The injectors are to be of high impedance only. FuelTech's universal 4-cylinder B harness has a label for each connector and the insulation is heat, moisture, and oil-resistant. Connectors: * FT550 (connector B) * Four EV1 injectors (for high impedance injectors only) * FT CAN B connector * GearController sensor connector * Extra INPUTS connector to custom wire up to five additional input channels for the engine or chassis datalogging--mating connector kit included * Extra OUTPUTS connector to custom wire up to eight additional outputs--mating connector kit included * Relay with fuse for injectors
Not Yet Reviewed
$279.00
FuelTech FT450/FT550 6-Cylinder Universal A Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses for fast, headache-free installation. FuelTech FT450/FT550 6-cylinder universal A harnesses have all the components needed to make a plug-and-play installation on an engine with a standard setup. The connectors, relays, and fuses are directly built-in and can be used with nearly any application with six injectors and six coils. They can be used with high or low impedance injectors, and the harnesses are set up for either VR or Hall effect cam and crank sensors. FuelTech 6-cylinder A harnesses include three relays with built-in fuses for main electronics, injectors, and coils, and the insulation and connectors are moisture, heat, and oil-resistant.
Not Yet Reviewed
$699.00
FuelTech FTSPARK-6 Unterminated Harnesses
FuelTech offers a variety of complete and ready-to-install harnesses as well as unterminated harnesses for the various FuelTech ECUs and accessories like FTSPARK and Peak & Hold systems. FuelTech FTSPARK-6 unterminated harnesses are ready to wire your high-energy CDI. Wire from scratch with the help of FuelTech's unterminated harnesses.
Not Yet Reviewed
$169.00
FuelTech FT550 Ford Godzilla Wiring Harnesses
The FuelTech FT550 Ford Godzilla wiring harnesses are a complete plug-and-play engine management solution designed specifically for standalone Ford 7.3L Godzilla engine swaps using a FuelTech FT550 or FT550LITE ECU. Pre-terminated for fast installation, these premium harnesses include integrated relays, fuses, and labeled connectors for a simple three-wire power hookup while supporting OEM smart coils, crank and cam sensors, EV1 injectors, drive-by-wire or cable throttle bodies, flex fuel capability, dual wideband O2 sensors, and additional expansion inputs for future upgrades. Built with heat-, oil-, and moisture-resistant materials, the FT550 Ford Godzilla wiring harnesses by FuelTech deliver reliable performance, simplified wiring for installation, and professional-grade functionality for high-performance street and race applications.
Not Yet Reviewed
$999.00
FuelTech EGT-4 CAN Harnesses
FuelTech has released a variety of engine harnesses for popular engine combinations, boost control, and data-logging, including these terminated EGT-4 Can harnesses. From plug-and-play to unterminated—FuelTech has the correct harness to help complete your FuelTech ECU-equipped project.
Not Yet Reviewed
$29.00
FuelTech FT700 Multimedia M Harnesses
FuelTech FT700 Multimedia M harnesses connect FuelTech ECUs with multimedia components, allowing for easy integration of features, such as audio/video inputs. They ensure seamless communication, offering tuners enhanced functionality and a streamlined installation process. Maximize the capabilities of your FT700 system with a FuelTech FT700 Multimedia M harness.
Not Yet Reviewed
$139.00
FuelTech FT450/550 Sportsman Datalogging A Harnesses
FuelTech FT450/550 Sportsman Datalogging A harnesses are designed around a Big Block Chevy, yet these harnesses have extra-long leads that allow them to be used in numerous other applications. They provide a plug-and-play solution to easily incorporate datalogging into any setup equipped with an FT450 or FT550 ECU. These harnesses come pre-terminated to plug directly into essential data logging input channels and have an extra input connector to add up to two more configurable inputs for sensors or buttons. They're also equipped with two extra connectors that allow the use of 10 outputs to control EFI fuel Injectors, ignition control through a CDI box with points input or smart coils (eight coils on wasted spark is not recommended for carbureted V8 applications). Tech specs: * Harness is set up for either VR or Hall effect cam and crank sensors and includes two relays with built-in fuses for main electronics, injectors, and coils * FT450 connector (FT550 A connector) * CPC firewall connector * Each connector has its own label and harness insulation is heat, moisture, and oil-resistant * Pre-terminated connections: for Wide Band 02 Sensor x2, Oil Pressure, Fuel Pressure, Engine Temperature and Transmission Temperature * Drive shaft sensor/2-step connector * Extra Inputs connector: 2 configurable inputs for sensors or buttons * Extra Outputs connector: For DIY expansion to control EFI fuel injectors or relay activation for accessory control (transbrake, shifter, nitrous, throttle stop, fans, pumps, etc.) * Ignition Expansion Connector: For DIY expansion to control ignition or relay activation for accessory control (transbrake, shifter, nitrous, throttle stop, fans, pumps, etc.) * Comes with two 40A relays and fuses to power everything—the relays power the ECU, Wideband Nano O2, Peak and Hold drivers, sensors, and extra connectors Contents of package: * Harness and instruction manual
Not Yet Reviewed
$749.00
FuelTech Input Expander Harnesses
FuelTech has released a variety of engine harnesses for popular engine combinations, boost control, and data-logging, including these 10 ft. input expander harnesses. From plug-and-play to unterminated—FuelTech has the correct harness to help complete your FuelTech ECU-equipped project.
Not Yet Reviewed
$219.00
FuelTech FTSPARK-8 GEN 3 Ignition Systems
FuelTech FTSPARK 8 GEN 3 MAX2000 ignition systems are high performance, eight channel ignition modules engineered to deliver precise, reliable spark control for demanding racing and high power engine applications. Designed to integrate seamlessly with FuelTech FT Series ECUs, it provides powerful ignition energy and accurate timing control across a wide range of engine configurations. The Gen3 design improves response, durability, and thermal management, making it well suited for high RPM operation, boosted engines, and extreme race environments. With support for individual smart coils and sequential ignition strategies, the FTSPARK 8 GEN3 MAX2000 gives tuners and racers the control needed to maximize power, consistency, and drivability, whether the vehicle is used on the track, strip, or street.
Not Yet Reviewed
$2,599.00
