2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6
2014-21 Gen V LT4 Supercharged Standalone Harness| 5.3/6.2/6.6

2014-21 Gen V LT4 Supercharged Standalone Harness 5.3/6.2/6.6

Regular price $899.99 Save $-899.99
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SKU: HAR-LT4

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2014-21 Gen V LT4 Supercharged Standalone Harness 5.3/6.2/6.6


APPLICATION: 2014 - 2022 GEN V LT4 SUPERCHARGED ENGINES 

ADDITIONAL ITEMS REQUIRED: E92 ECM- OR Check out Gen V LT Controller Kit.

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

2019+ TRANSMISSIONS ARE NOT SUPPORTED 


CONNECTIONS FOR:

  • Fuse/Relay Box
  • Fuel Pump Control (Relay included)
  • Fan controls (Fan Controller PAC-2800BT and Relays and fuse available separately KIT-1010)
  • OBD2 Port
  • Accelerator Pedal and Throttle Body control
  • MAF Sensor
  • MAP Sensor
  • Engine Coolant Temp
  • 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 '14 - 18 LT4 Supercharged GEN V engines 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.

Harnesses are professionally constructed from Brand New GM Factory/OEM Connectors and TXL (Polyethylene Cross Linked) High Temperature Wire to GM Specifications. All Harnesses are 100% Quality Inspected prior to shipping. All Harnesses require PCM VATs removal, available through PSI. Please contact PSI for more information.


ADDITIONAL ITEMS REQUIRED: E92 ECM, T43 TCM (6L80E), T87 TCM (8L90E/10L90E)

* An OBD-II Speedometer / Tachometer (P/N STA-1000) is available from PSI to supply Tachometer, Speedometer and Check Engine Light


(Warning) This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.