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.
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