FuelTech FT500 Owner's Manual
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FuelTech FT500 Owner's Manual

V8 ls wiring harness
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OWNER'S MANUAL
OWNER'S MANUAL

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Summary of Contents for FuelTech FT500

  • Page 1 OWNER’S MANUAL OWNER’S MANUAL...

  • Page 3: Table Of Contents

    Warnings and Warranty Terms ............5 Overview ................... 6 Labels ....................7 Diagrams ................... 7 6.1 FT500/FT500 Aux - Inputs/outputs ........7 6.2 Nano WB O2 #1 ..............8 6.3 Nano WB O2 #2 ..............8 6.4 INJECTOR female ..............8 Connectors..................

  • Page 4: Presentation

    LS Wiring Harness 2. Presentation Dual FuelTech WB-Nano O2 ready (adapter to Alcohol O2 is sold separately for alcohol engines) The FuelTech LS Wiring Harness is the proper link between the FuelTech FT500 ECU and all of your sensors and actuators.

  • Page 5: Warnings And Warranty Terms

    This exclusive remedy shall not be deemed to have failed of its essential purpose so long as FUELTECH is willing and able to repair or replace defective goods. FUELTECH reserves the right to request additional information such as, but not limited to, tune up and log files in order to evaluate a claim.

  • Page 6: Overview

    The FuelTech LS Wiring Harness is a complete plug n' play wiring solution to be used with a FuelTech FT500 ECU. It is designed for Power ground, battery ground and battery positive: These systems with 8 staged injectors, 8 individual smart coils and FuelTech...

  • Page 7: Labels

    Blue – Exclusively to O2 sensors (NTK or Bosch); by color and description name. The colors are related to its functions: White – FT500 Aux connector, Nano connector, Extra Outputs, Extra Inputs, Signals outputs to stock ECU and coils connectors;...

  • Page 8: Injector Female

    LS Wiring Harness 6.2 Nano WB O2 #1 From Connector Wire color Connector Function Nano WB O2 #1 O2 Sensor left Nano WB O2 #1 Yellow O2 Sensor left Nano WB O2 #1 Brown O2 Sensor left Nano WB O2 #1 Main relay Switched +12V from relay Nano WB O2 #1...

  • Page 9: Connectors

    All relays available in the LS Harness are fuse protected. Their max current is 30A followed by a 30A fuse. There is a main relay for the Red wire from 2-core FuelTech units such as ECU, O2 conditioner, one relay for the injectors shielded cable 24X and 58X and another relay for the coils.

  • Page 10: Oil And Fuel Pressure

    Since it can feed 12V power at 5A, if wired to a relay activating it by ground (from the FuelTech) when turned off, it senses the 12V through the relay coil and feeds back power to the ECU. In this case, it is necessary to run a diode in series (1N4004 or 1N4007) like the following schematic to avoid this issue.

  • Page 11: Electronic Throttle Body (Drive-By-Wire)

    The LS Harness has a output connector that shares the signal from the TPS #2 – White #10 sensors between the FT500 and the stock ECU, the mating connector Signal ground – Black to wire to the stock ECU is sold separately.

  • Page 12: Injectors Connectors

    #7 wire. It can be purchased Online at www.fueltech.net or from an authorized Part numbers: FuelTech 5005100015 or GM 25036751 FuelTech dealer (check the website to locate the dealer nearest to you). FuelTech PS-150/300/1500 sensor below: - Connection: 1/8” - 27NPT...

  • Page 13: Bosch Lsu 4.2 Wideband O2 Sensor

    Nano does not require free-air calibration. For further information, check FuelTech WB-O2 Nano manual. A special NTK laboratory sensor is required by the Alcohol O2. Contact FuelTech in order to purchase the sensors and adapters to plug on the FuelTech LS harness.

  • Page 14: Peak And Hold - External Injector Driver

    When using high impedance injectors without Peak and Hold drivers, jumpers wires (sold separately, part number 2001000071) must be The FuelTech Peak and Hold has 4 outputs and in the LS Wiring connected to the Peak and Hold plugs in the harness. If the jumper Harness will run one injector per channel.
  • Page 16 455 Wilbanks Dr. Ball Ground, GA, 30107, USA Phone: +1 678-493-3835 Toll Free: +1 855-595-3835 E-mail: info@FuelTech.net www.FuelTech.net FuelTechUSA POWER FT...

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