Fuel Injection Wiring Harness; Mechanical Throttle; Standard Length;
Designed for 1998-2002 LS1 mechanical throttle body engines with 1999+ LS1/LS6 ECM with a 4L60E/4L65E automatic or T56 manual trans. Will also work on 1997-2004 Throttle By Wire (TBW) LS1/LS6 engines which has been changed to mechanical throttle body or any 1999-2006 (4.8, 5.3, & 6.2) Vortec truck engine changed to a factory of aftermarket LS1 intake manifold, mechanical throttle body, and injectors. Harnesses do not include any emissions related connections but are available separate. Includes 8 circuit modular fuse block and GM color coded wires with labels. Standard length harness allows four feet from the back of the intake manifold to where the fuse block and ECM mount. Perfect for mounting these components under the dash or in the glove box. Fuse block protects the following circuits: DLC B+, Driver Side Injectors and Coils, Dual 40 amp Ignition Relays, Fuel Pump, Heated O2 Sensors, Mass Airflow Sensor, & Brake Switch, Pass Side Injectors and Coils, ECM and Malfunction Indicator Lamp, ECM B+, Transmission. Includes connections for: Alternator, Brake Switch, Cam Position Sensor, Crank Position Sensor, Data Link Connector, Driver/Pass Front O2 Sensors, Engine Coolant Temperature, Fan #1 Relay Ground ECM Activation, Fan #2 Relay Ground ECM Activation, Fuel Pump, Fuel Pump Relay, Fuel Pump Test, Gear Indicator Switch, Grounds, Idle Air Control, Ignition Coils, Ignition Switch Signal, Injectors, Intake Air Temperature Sensor, Knock Sensors, Malfunction Indicator Lamp, MAP Sensor, Mass Airflow Sensor, ECM, Reverse Lockout Solenoid, Skip Shift Light, Skip Shift Solenoid, Starter, Tachometer, Throttle Position Sensor, Transmission, VATS, Vehicle Speed Sensor. VSS Output for Speedometer. PLEASE NOTE: This harness is standalone and is not intended to replace the OEM engine wiring. Standalone harnesses are intended to run the designated engine & transmission only, generally when swapped into another vehicle.
  • Factory Style Connectors For All Required Sensors
  • Will Control 4L60E/4L80E Transmissions
  • Includes VSS Output Signal For Speedometer
  • Includes Ground Activation Wires For 2 Cooling Fans
  • Color Coded Preprinted Wire
  • Comprehensive Instructions And Tech Support
  • Guaranteed For Life

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We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

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