LT1/LT4 EVAP Extension Harness for Gen V LT

APPLICATION: 2014+ Gen V LT engines and vehicles.

NOTES: The PSI HAR-1101 is an EVAP extension harness designed to extend the EVAP connector when adding an LT4 supercharger to compatible Gen V LT applications.

This extension harness is intended for 2014+ Corvettes, 2016+ Camaros, and 2014+ Silverado/GM truck applications when additional EVAP connector reach is needed for an LT4 supercharger installation.

Important: This extension harness is not required when using a PSI Gen V LT4 standalone wiring harness because the EVAP connector is not used in those applications.

When Is the HAR-1101 EVAP Extension Harness Used?

The HAR-1101 is used on compatible Gen V LT applications when adding an LT4 supercharger and the existing EVAP connection needs to be extended.

Vehicle Applications

2014+ Corvette
2016+ Camaro
2014+ Silverado and GM truck applications
2014+ Gen V LT engine and vehicle applications

LT1/LT4 EVAP Extension Harness FAQ

What does the HAR-1101 EVAP extension harness do?

The HAR-1101 extends the EVAP connector on compatible Gen V LT applications when adding an LT4 supercharger.

Is the HAR-1101 used with LT4 supercharger conversions?

Yes. The HAR-1101 is intended for compatible Gen V LT applications where the EVAP connector needs to be extended when adding an LT4 supercharger.

What vehicles can use the LT1/LT4 EVAP extension harness?

Applications include 2014+ Corvettes, 2016+ Camaros, and 2014+ Silverado and GM truck applications.

Do I need this EVAP extension with a PSI standalone swap harness?

No. The EVAP connector is not used with PSI standalone swap harnesses, so HAR-1101 is not required for those applications.

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA and are 100% Computer Quality Tested. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion!

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LT1/LT4 EVAP Extension Harness