FuelTech 2002006600 is an expansion plug-and-play harness that enables the use of 8 fuel injectors (high-impedance only) on a 4-cylinder application and utilizes all of the extra inputs and outputs of the FuelTech FT550 or the FT550LITE ECUs.

Note: This expansion harness is only compatible with the FT550 or FT550LITE and must be used along with the 4-Cylinder "A" Harness 2002006505 

FuelTech 202006600 Pre-Wired Connectors:

• FT550 "B"
• (4) EV1-style high-impedance injectors
• CAN "B" 
• GearController sensor
• (5) Inputs for chassis or engine data logging
• (8) Outputs to control boost solenoids, transbrake, nitrous, and more
• Injector relay w/fuse