Complete Harnesses

The FuelTech LS550 V8 complete plug and play harness is the best fit for a standalone LS swap utilizing the FuelTech FT550 or FT550LITE ECU and GM LS engine. It comes pre-terminated to suit an LS engine with all relays and fuses for a simple 3 wire...

The FuelTech PRO550 V8 plug and play harness is the best link between your FT550 or FT550LITE ECU and V8 engine. PRO550 V8 COMPLETE HARNESS FEATURES:• PRO550 V8 Complete Harness is a harness designed to install a FuelTech FT550 on mostly any racing...

The FuelTech PRO600 V8 plug and play harness is the best link between your FT600 ECU and V8 engine. It comes pre-terminated to suit a V8 engine with all relays and fuses for a simple 3 wire battery hook up and ignition power. It has a 37 pin firewall...