2017-2020 Gen V LT1 / L83 5.3/ L86 6.2 W/ 6L80E/6L90E 3 wire Standalone Harness

2017-2020 Gen V LT1 / L83 5.3/ L86 6.2 W/ 6L80E/6L90E 3 wire Standalone Harness

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WE also have GEN V 6L80E/6L90E T56 3 wire 4 wire 8L90E 3 wire 4 wire 

WARNING:: WARNING: ECU NOT INCLUDED This is a 3 wire. In 2017 is was a split year for 3 wire and 4 wire so please make sure you know which wire you have. This harness is for a car or truck pedal. This harness is also for a 2 wire alternator. If you have a 4 wire alternator which is rare then you can buy a convertor adapter from holley.

Description

APPLICATION: 2017-2020 3 wire GEN V LT1 and L83 / L86 ECOTEC3 ENGINES WITH 6L80E/6L90E AUTOMATIC TRANS PARTS INCLUDED: Complete engine and transmission wiring harness, Instruction Manual Fuse/Relay Box Fuel Pump Control (Relay included) Fan control option wires, Check Engine Light, Speedo output, Tachometer, OBD2 Port Accelerator Pedal and Throttle Body control (DBW setups) IAC and TPS on DBC setups MAF Sensor MAP Sensor Engine Coolant Temp Sensor Alternator Control (2) Upstream Oxygen Sensors Crankshaft Position Camshaft Position Fuel Injectors Coil Packs Automatic or Manual Transmission control Knock Sensors NOTES: These harnesses are designed for retrofitting ’17-20 3 wire LT1/L83/L86 GEN V engines with a 6L80E/6L90E automatic transmission into older muscle cars and street rods or newer non-emissions controlled vehicles.

APPLICATION: 2017-2020 GEN V LT1 and L83 / L86 ECOTEC3 ENGINES WITH 6L80E/6L90E AUTOMATIC TRANS

PARTS INCLUDED: Complete engine and transmission wiring harness, Instruction Manual

  • Fuse/Relay Box
  • Fuel Pump Control (Relay included)
  • Fan controls (Relays and fuse available seperately KIT-1010)
  • Check Engine Light, Speedo output, Tachometer, OBD2 Port
  • Accelerator Pedal and Throttle Body control (DBW setups)
  • IAC and TPS on DBC setups
  • MAF Sensor connector
  • MAP Sensor connector
  • Engine Coolant Temp Sensor
  • Alternator Control
  • (2) Upstream Oxygen Sensors
  • Crankshaft Position
  • Camshaft Position
  • Fuel Injector connectors
  • Coil Pack connectors
  • Automatic or Manual Transmission control
  • Knock Sensors

NOTES: These harnesses are designed for retrofitting ’17-20 3 wire LT1/L83/L86 GEN V engines with a 6L80E/6L90E automatic transmission into older muscle cars and street rods or newer non-emissions controlled vehicles. They are completely plug and play with four wire hookup (switched power, constant power and ground connections required). Harnesses are designed with a sliding grommet seal and 4 – 5 feet of length from the rear of the cylinder head to the PCM mounting position under the vehicle dashboard. A sliding grommet seal allows for professional, leak proof installation.

ADDITIONAL ITEMS REQUIRED: E92 ECM, T43 TCM (LOCATED IN VALVE BODY OF 6L80E/6L90E TRANSMISSION)

ADDED FEATURES INCLUDE 

1 YEAR WARRANTY

36" ADDED LENGTH FOR EASY COMPUTER MOUNTING

UPGRADED WIRE FOR RUNNING THOSE BIG INJECTORS (will run any size injector without issues) 

UPGRADED 60-AMP RELAYS 


Harness comes with a complete install instruction packet.