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Howell LT/EcoTec3 Conversion Harnesses and Accessories

Howell now offers LT1/LT4 swap harnesses for 2014+ Camaro and Corvette direct injection and for direct injection for trucks with EcoTec3 L83, L86, and 4.3L V6 LV3-C truck engines.

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Howell EFI now offers LT/EcoTec 3 conversion harnesses and accessories for GM direct injection swaps.

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Over the past two decades Howell added the manufacture of conversion wiring harnesses and accessories for the ultra-popular LS/Vortec engine family. For the 2014 model year, GM launched the direct injected LT1 Corvette engine, as well as the companion EcoTec3 engine powered GM pickup truck. As these LT/EcoTec3 vehicles and engines began to proliferate the scene and the scrapyards, Howell EFI began developing harnesses and parts for swapping the LT/EcoTec3 family of engines into other vehicles.

Howell now offers LT1/LT4 swap harnesses for 2014+ Camaro and Corvette direct injection and for direct injection for trucks with EcoTec3 L83, L86, and 4.3L V6 LV3-C truck engines. With Howell’s plug and play harnesses it is possible to transplant these powerful LT/EcoTec3 engines for street rod, pro-touring, off-road, sand rails, street machines and more.

The LT/EcoTec3 harnesses are made to customer specifications and include a fuse block and GM diagnostic connector for diagnosis and service at any repair facility utilizing the common OBD II port, in addition to a check engine light, electric fan control, and a complete stand-alone design to control engine functions. All Howell harnesses are made in the USA and sold with a lifetime guarantee. Installation requires just three points of power at the battery, ignition, and fuel pump making these harnesses truly plug-and-play. For more information, watch this video.

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For more information about LT1 harness: https://howellefi.com/?s=LT1+Harness&post_type=product

For more information about Howell LT4 harness options: https://howellefi.com/?s=LT4+Harness&post_type=product

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For more information about Howell EcoTec3 harness option: https://howellefi.com/?s=EcoTec3+harness&post_type=product

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