• Compatible Models and Years: - For 2003-2007 CHEVROLET, GMC, CADILLAC AND HUMMER TRUCK ENGINES (DRIVE BY WIRE ONLY) WITH 4L80E TRANSMISSIONS.
  •  
  • Specifications:

    • 4L80E DBW Stand alone Wire Harness Drive by Wire For 03-07 LS Vortec 4.8 5.3 6.0

    Compatible Models and Years:
    - For 2003-2007 CHEVROLET, GMC, CADILLAC AND HUMMER TRUCK ENGINES (DRIVE BY WIRE ONLY) WITH 4L80E TRANSMISSIONS.

     

    Specifications:

    Specifically designed for 4l80e dbw standalone applications, this wiring harness boasts a 12-14 volts capacity. The inclusion of green/blue PCM and fuel injector connectors ensures seamless compatibility.
    These harnesses are designed for retrofitting '03 - '07 Vortec engines (4.8, 5.3, 6.0-Liter) and 4L80E transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles.
    Harness allows use of the factory Vortec intake manifold.
    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 Delphi Connectors and TXL (Polyethylene Cross Linked) High Temperature Wire to GM Specifications.
    All harnesses are 100% Quality Inspected prior to shipping.


    NOTE: CHECK WITH US IF YOU ARE UNSURE ABOUT FITMENT. These are after market harnesses and ready to ship (WE CAN SOLVE 99% OF ANY PROBLEMS. SO PLEASE CONTACT US BEFORE OPENING A RETURN REQUEST)

    Model attribute: 4l80e dbw standalone wiring harness, 12-14 volts, green / blue pcm connector & fuel Injector connectors

     

    These harnesses are designed for retrofitting '03 - '07 Vortec engines (4.8, 5.3, 6.0-Liter) and 4L80E transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles. Harness allows use of the factory Vortec intake manifold and Delphi/multec injectors with flex-fuel injectors (EV6) and EV1 optional

     

    WE ARE CAPABLE OF ASSISISING WITH YOUR INSTALL THROUGH OUR TECH SUPPORT. BUT, WE ENCOURAGE OUR CUSTOMERS TO SEEK A PROFESSIONAL FOR YOUR INSTALLATION. SOME ADAPTIONS MIGHT BE NECCESSARY FOR THIS PRODUCT TO WORK FOR YOUR VEHICLE. 1200 Degree Fiberglass Braid on All Circuits Ran by Heat.... All Factory CPA (Connector Position Assurance Locks)

    Parcel Content:
    - Complete Engine and Transmission Harness

     

     

    Note:
    The harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions.

     

    How to Install:

        1. Re-move the old harness from the original car, install a new harness, and dock the corresponding plugs for plug and play.
        2. The length of each line is different and the connectors are different. Please select the appropriate connector for assembly.
        3. Professional installation is highly recommended. The whole process takes about 1-2 hours and requires a certain maintenance technology foundation.
        Note1. If your car has been modified, this cable bundle may not be installed properly.
        Note2. Before using, please make sure that you have not replaced the original accessories, otherwise it will affect the use.

        Offers a straightforward plug-and-play installation process, reducing the time required to get your engine running smoothly.

     

    Parcel Content:
    1x Engine and Transmission Harness

    Warm Tips: In order not to delay your time, please be sure to confirm whether it is suitable for you before buying, and we recommend professional installation

     

    【NOTE】This product is not an original part as well as we are offering you a replacement part that fits your car perfectly.

     

     

     


    Item Specifics
    Brand SPARKWHIZ
    Bundle Listing Yes
    Fitment Type Performance/Custom
    Manufacturer Part Number 03-07 LS Vortec Standalone Wire Harness Drive By Wire W/4L80E 4.8
    Type 4L80E Stand Alone
    Manufacturer Warranty Lifetime
    Fitment For 03-07 LS3 Vortec
    Features Direct Fit, Easy Installation
    Other Part Number DAC623
    Lifetime Over 50000 hours
    Year 2003,2004,2005,2006,2007
    Model 4L80E DBW
    About after-sales Money back or replacement(Buyer's choice)
    Custom Bundle No
    Product Dimensions 115 x 35 x 2 inches; 5 Pounds
    Package Includes 1x Engine and Transmission Harness
    type 5 engine wiring harness , swap stand alone harness
    Note No Instruction Included
    Fit 2 For Chevrolet, Gmc, Cadillac And Hummer Truck Engines
    Connector Type GREEN/BLUE PCM CONNECTOR
    Mounting Style wire
    Features 2 Standalone Harness, Drive-By-Wire
    OE/OEM Part Number 4L80E DBW
    Fitment Type 2 Direct Replacement
    Size 4L80E DBW
    Fuel Type Gasoline
    Modified Item No
    Material Metal, Plastic
    Performance Part Yes
    Superseded Part Number 4L80E
    Type 2 engine wiring harness , swap stand alone harness
    OE/OEM Part Number2 Wire Harness 4L80E DBW
    Other Part Number 2 W/4L80E
    California Prop 65 Warning California Prop 65 Warning
    Features 5 Direct Fit
    Vintage Part Yes
    Fuel Type 2 Standalone Wire Harness
    Weight 3.21 Kilograms
    Superseded Part Number 2 ECH003-DL

    Payment
    1.Payment must be received within 7 days after winning the item，UPI (Unpaid Item Case) will be filed automatically if buyers fail to make the payment in 7 days after item ends.
     
    2.If you have difficulty paying for the item, please email us to cancel the order
    Shipping
    1.Items will be sent out in 48 hours on payment received from Monday to Friday. Orders during weekends and holidays will be posted in the following working day. 
     
    2.Please make sure your shipping address and the order information is correct before placing an order. We will not be responsible for item loss due to wrong or unknown address.
     
    3.Items wont be shipped to Puerto Rico(Please check your address before placing an order!
     
    4.Items would be shipped within 24 hours with cleared payment(Exclude Weekend and Holidays)
    Returns
    1.We accept 60 days return/refund guarantee
     
    2.If the item you received is faulty, damaged or incorrect, or any further problems, you can return it for replacement or refund, please contact our customer service on eBay within 60 days from item received.

    3.For damaged items on arrival, please contact us immediately, sending us an email with a photo is preferred. We will offer solutions to such cases. Full refund or replacement will be guaranteed.
    Contact Us
    1. Please contact us first before you left us a negative/neutral feedback and we are pleased to solve the problems you met.
     
    2.Please feel free to contact us if you have any problems and we would always be here for your need .
     
    3.Please contact us first when you need help !!!
     
    Hot Item
    New List Item
    4L80E DBW Stand alone Wire Harness Drive by Wire For 03-07 LS Vortec 4.8 5.3 6.0

    Compatible Models and Years:
    - For 2003-2007 CHEVROLET, GMC, CADILLAC AND HUMMER TRUCK ENGINES (DRIVE BY WIRE ONLY) WITH 4L80E TRANSMISSIONS.

     

    Specifications:

    Specifically designed for 4l80e dbw standalone applications, this wiring harness boasts a 12-14 volts capacity. The inclusion of green/blue PCM and fuel injector connectors ensures seamless compatibility.
    These harnesses are designed for retrofitting '03 - '07 Vortec engines (4.8, 5.3, 6.0-Liter) and 4L80E transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles.
    Harness allows use of the factory Vortec intake manifold.
    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 Delphi Connectors and TXL (Polyethylene Cross Linked) High Temperature Wire to GM Specifications.
    All harnesses are 100% Quality Inspected prior to shipping.


    NOTE: CHECK WITH US IF YOU ARE UNSURE ABOUT FITMENT. These are after market harnesses and ready to ship (WE CAN SOLVE 99% OF ANY PROBLEMS. SO PLEASE CONTACT US BEFORE OPENING A RETURN REQUEST)

    Model attribute: 4l80e dbw standalone wiring harness, 12-14 volts, green / blue pcm connector & fuel Injector connectors

     

    These harnesses are designed for retrofitting '03 - '07 Vortec engines (4.8, 5.3, 6.0-Liter) and 4L80E transmissions into older muscle cars and street rods or newer non-emissions controlled vehicles. Harness allows use of the factory Vortec intake manifold and Delphi/multec injectors with flex-fuel injectors (EV6) and EV1 optional

     

    WE ARE CAPABLE OF ASSISISING WITH YOUR INSTALL THROUGH OUR TECH SUPPORT. BUT, WE ENCOURAGE OUR CUSTOMERS TO SEEK A PROFESSIONAL FOR YOUR INSTALLATION. SOME ADAPTIONS MIGHT BE NECCESSARY FOR THIS PRODUCT TO WORK FOR YOUR VEHICLE. 1200 Degree Fiberglass Braid on All Circuits Ran by Heat.... All Factory CPA (Connector Position Assurance Locks)

    Parcel Content:
    - Complete Engine and Transmission Harness

     

     

    Note:
    The harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions.

     

    How to Install:

        1. Re-move the old harness from the original car, install a new harness, and dock the corresponding plugs for plug and play.
        2. The length of each line is different and the connectors are different. Please select the appropriate connector for assembly.
        3. Professional installation is highly recommended. The whole process takes about 1-2 hours and requires a certain maintenance technology foundation.
        Note1. If your car has been modified, this cable bundle may not be installed properly.
        Note2. Before using, please make sure that you have not replaced the original accessories, otherwise it will affect the use.

        Offers a straightforward plug-and-play installation process, reducing the time required to get your engine running smoothly.

     

    Parcel Content:
    1x Engine and Transmission Harness

    Warm Tips: In order not to delay your time, please be sure to confirm whether it is suitable for you before buying, and we recommend professional installation

     

    【NOTE】This product is not an original part as well as we are offering you a replacement part that fits your car perfectly.

     

     

     



    1.Payment must be received within 7 days after winning the item，UPI (Unpaid Item Case) will be filed automatically if buyers fail to make the payment in 7 days after item ends.
     
    2.If you have difficulty paying for the item, please email us to cancel the order
    1.Items will be sent out in 48 hours on payment received from Monday to Friday. Orders during weekends and holidays will be posted in the following working day. 
     
    2.Please make sure your shipping address and the order information is correct before placing an order. We will not be responsible for item loss due to wrong or unknown address.
     
    3.Items wont be shipped to Puerto Rico(Please check your address before placing an order!
     
    4.Items would be shipped within 24 hours with cleared payment(Exclude Weekend and Holidays)
    1.We accept 60 days return/refund guarantee
     
    2.If the item you received is faulty, damaged or incorrect, or any further problems, you can return it for replacement or refund, please contact our customer service on eBay within 60 days from item received.

    3.For damaged items on arrival, please contact us immediately, sending us an email with a photo is preferred. We will offer solutions to such cases. Full refund or replacement will be guaranteed.
    1. Please contact us first before you left us a negative/neutral feedback and we are pleased to solve the problems you met.
     
    2.Please feel free to contact us if you have any problems and we would always be here for your need .
     
    3.Please contact us first when you need help !!!
     

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    On Dec 21, 2025 at 19:51:09 PST, seller added the following information:

    Datacaciques