The FuelTech Universal 4 cylinder B FT550 expansion harness compliments the Universal 4 cylinder A harness with the options to control up to 8 injectors staged sequentially, have direct connection for inbuilt gear controller as well as the additions to inputs and outputs. The harness comes with a relay with a built in fuse for power supply to the extra 4 injectors. The injectors are to be of high impedance only. The Universal 4 cylinder B harness has a label for each connector and the insulation is heat, moisture and oil resistant.

This Harness is only compatible with the FT550 ECU and must be used along with FT450/550 4 CYLINDER UNIVERSAL A HARNESS

Technical Specifications:

Connectors: 

• FT550 (Connector B)
• 4 EV1 injectors (for high impedance injectors only)
• FT CAN B connector
• GearController sensor connector
• Extra INPUTS connector to custom wire up to 5 additional input channels for the engine or chassis datalogging (i.e. driveshaft RPM, transbrake button, suspension travel sensors, input shaft RPM, staging button and much more) - Mating connector kit included
• Extra OUTPUTS connector to custom wire up to 8 additional outputs (i.e. boost control solenoids, transbrake solenoid, dump and lockup valves, gear shift, nitrous stages and more) – Mating connector kit included
• Relay with fuse for injectors