• Features:
  • ▶Excellent Performance: Our engine standalone wiring harness is closely inspected and validated to meet all kinds of strictest quality standards to ensure a long lifetime, and tested before leaving factory to make sure reliability and superior performance. Make your car run like brand new!

    • 3 wire Standalone Harness For 2014-2021 Gen V LT1 L83 5.3/ L86 6.2 6L80E/6L90E

    Features:

    ▶Excellent Performance: Our engine standalone wiring harness is closely inspected and validated to meet all kinds of strictest quality standards to ensure a long lifetime, and tested before leaving factory to make sure reliability and superior performance. Make your car run like brand new!

    ▶Inspection and Testing: 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. Our 3 wire standalone harness are made of high-quality alloy materials, strong and durable, rust-proof and corrosion-resistant, with long service life and no risk of bending or melting.

     

    Package Include:

    1x  3 wire Standalone Harness 
     

    Includes:

    Fuse/Relay Box; Fuel Pump Control (Relay included); Fan controls; 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; Upstream Oxygen Sensors; Crankshaft Position; Camshaft Position; Fuel Injector connectors; Coil Pack connectors; Automatic or Manual Transmission control; Knock Sensors.

     

    Compatible Vehicles：

    For 2014-2022 Gen V LT1 / L83 / L84 / L86 / L87 Harness 5.3/6.2/6.6 with a 6L80E/6L90E automatic transmission 

     

    NOTES:

    These harnesses are designed for retrofitting 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).

     

    ❤️If you are not sure about the compatibility, please provide the VIN(Vehicle Identification Number), detailed car model. We are happy to offer help.


    Item Specifics
    Manufacturer Part Number For 2014-2021 Gen V Lt1 L83 L86 Engines 6l80e 6l90e
    Brand Unbranded
    Type stand alone harness
    OE/OEM Part Number For 2014-2021 Gen V Lt1 L83 L86 Engines 6l80e 6l90e
    Condition New
    Features Direct Fit, Easy Installation, Durable
    Interchange Part Number For 2014-2021 Gen V Lt1 L83 L86 Engines 6l80e 6l90e
    Superseded Part Number 6L80E/6L90E
    Model 3 wire Standalone Harness
    Fitment Type Direct Replacement
    Fitment 1 For 2017-2021 Gen V LT1 / L83 5.3/ L86 6.2 W
    Fitment 2 For 2014-2022 Gen V LT1 / L83 / L84 / L86 / L87 5.3/6.2/6.6
    Package Content 1X 3 wire Standalone Harness
    Manufacturer Warranty Lifetime
    About after-sales Money back or replacement(Buyer's choice)

    Payment

    We accept Payoneer/Paypal/Google Pay/Visa/Master Card/Amex/Discover for Payment.

     

    Payment must be received within 7 business days of auction closing.

     

    We ship to ebay's address only. Please make sure your address in EBAY is matched with your shipping address before you pay.

     

    TOTAL AMOUNT DUE includes the final auction price plus S&H (Shipping and Handling).

     

    S&H will be determined based upon the ship to address

    Shipping

    Order will be handled within 1 working days( Excluding Weekends and Public Holidays) after your payment clear.

    We ship to Order Detail confirmed address ONLY. Transit times are provided by the carrier, exclude weekends and holidays, and may vary with package origin and destination, particularly during peak periods.

    Please obtain the RMA number & returned address for any return items.

    Return items MUST have all ORIGINAL packaging and accessories.

    We will replace items which are malfunctioning, for 60 days from the date you received.Items which have physical abuse are not covered by the warranty. 

    Returns

    How to send a return request:

     

    Attention: Please contact us via ebay message like the way shown above before starting a return request, so we can deal with your issue quickly and efficiently.

     

    1.Return this item.  

     

    2. Select a reason: please choose"It's the wrong size or doesn't fit"

     

    3. 60 days Warranty from the date of purchase covering manufacturing defects, but doesn't cover items that have seen abused, burned and damaged in any form.Please contact us if you have NOT received item beyond 5 working days, we will check it with post office and resend any missing item.

     

    4. If you return an item purchased from us, it must be back in Factory Condition. This includes packaging, inserts, manuals etc. Please allow up to 5 Working Days for us to process your returned item.Thanks!

    Contact Us

    Please use the link "Ask the Seller Question" or send "eBay message" in you "My eBay" to contact us if you have problems, special requests or suggestions, we are very glad to help you anytime. we will reply you within 24 hour.

    3 wire Standalone Harness For 2014-2021 Gen V LT1 L83 5.3/ L86 6.2 6L80E/6L90E

    Features:

    ▶Excellent Performance: Our engine standalone wiring harness is closely inspected and validated to meet all kinds of strictest quality standards to ensure a long lifetime, and tested before leaving factory to make sure reliability and superior performance. Make your car run like brand new!

    ▶Inspection and Testing: 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. Our 3 wire standalone harness are made of high-quality alloy materials, strong and durable, rust-proof and corrosion-resistant, with long service life and no risk of bending or melting.

     

    Package Include:

    1x  3 wire Standalone Harness 
     

    Includes:

    Fuse/Relay Box; Fuel Pump Control (Relay included); Fan controls; 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; Upstream Oxygen Sensors; Crankshaft Position; Camshaft Position; Fuel Injector connectors; Coil Pack connectors; Automatic or Manual Transmission control; Knock Sensors.

     

    Compatible Vehicles：

    For 2014-2022 Gen V LT1 / L83 / L84 / L86 / L87 Harness 5.3/6.2/6.6 with a 6L80E/6L90E automatic transmission 

     

    NOTES:

    These harnesses are designed for retrofitting 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).

     

    ❤️If you are not sure about the compatibility, please provide the VIN(Vehicle Identification Number), detailed car model. We are happy to offer help.



    We accept Payoneer/Paypal/Google Pay/Visa/Master Card/Amex/Discover for Payment.

     

    Payment must be received within 7 business days of auction closing.

     

    We ship to ebay's address only. Please make sure your address in EBAY is matched with your shipping address before you pay.

     

    TOTAL AMOUNT DUE includes the final auction price plus S&H (Shipping and Handling).

     

    S&H will be determined based upon the ship to address

    Order will be handled within 1 working days( Excluding Weekends and Public Holidays) after your payment clear.

    We ship to Order Detail confirmed address ONLY. Transit times are provided by the carrier, exclude weekends and holidays, and may vary with package origin and destination, particularly during peak periods.

    Please obtain the RMA number & returned address for any return items.

    Return items MUST have all ORIGINAL packaging and accessories.

    We will replace items which are malfunctioning, for 60 days from the date you received.Items which have physical abuse are not covered by the warranty. 

    How to send a return request:

     

    Attention: Please contact us via ebay message like the way shown above before starting a return request, so we can deal with your issue quickly and efficiently.

     

    1.Return this item.  

     

    2. Select a reason: please choose"It's the wrong size or doesn't fit"

     

    3. 60 days Warranty from the date of purchase covering manufacturing defects, but doesn't cover items that have seen abused, burned and damaged in any form.Please contact us if you have NOT received item beyond 5 working days, we will check it with post office and resend any missing item.

     

    4. If you return an item purchased from us, it must be back in Factory Condition. This includes packaging, inserts, manuals etc. Please allow up to 5 Working Days for us to process your returned item.Thanks!

    Please use the link "Ask the Seller Question" or send "eBay message" in you "My eBay" to contact us if you have problems, special requests or suggestions, we are very glad to help you anytime. we will reply you within 24 hour.


    All rights reserved.

    On Mar 25, 2026 at 08:35:56 PDT, seller added the following information:

    Datacaciques