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Perfect after-sales service:1.We maintain high standards of excellenceand strive for 100% customer satisfaction!Please don't open cases or return requests without contacting us.If you have any questions about quality, shipping or other problems, please contact me first via message.I will give you a satisfy solution.2.If you are not sure if these are the right parts for your truck please email me your bill of material number and i will check it for you Wiring Harness Stand Alone For LS SWAPS DBC 4.8 5.3 6.0 1999-2006 LS1-4L60E
Perfect after-sales service:
1.We maintain high standards of excellenceand strive for 100% customer satisfaction!
Please don't open cases or return requests without contacting us.
If you have any questions about quality, shipping or other problems, please contact me first via message.
I will give you a satisfy solution.
2.If you are not sure if these are the right parts for your truck please email me your bill of material number and i will check it for you
Description:
Easy to install
These harnesses are designed for '97 - '06 Vortec retrofits into older muscle cars and street rods or newer non-emissions controlled vehicles.
They are completely plug and play with switched power, constant power and ground connections required.
Harnesses allow for installing the PCM underneath the dash of your vehicle with a sliding grommet seal for that professional leak proof look.
1. This LS1 standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be.
2. Compatible with LS1 4L60E 2003-2006 Chevrolet, GMC, Cadillac and Hummer engine; suitable for 03-06 all using 4L60E(Vortec engine 4.8 5.3 6.0) transmission.
3. This harness is a 3 wire MAF and a 1 wire alternator. For drive by cable throttle body Only.
Connections Included in this Standalone Harness:
Throttle Position Sensor
Idle Air Control Valve
Coolant Temperature Sensor
Alternator/Generator
All 8 Injectors with EV1 Injector Connectors
Bank 1 Coil Harness Connector
Bank 2 Coil Harness Connector
Knock Sensor Harness Connector
Camshaft Position Sensor
4L60e Transmission
Speed Sensor
Bank 1 Upstream Oxygen Sensor
Bank 2 Upstream Oxygen Sensor
Mass Air Flow
IAT (Only If using a 3 Wire MAF)
Crank Position Sensor
A/C Pressure Sensor
OBD II Port (DLC Port)
Single Harness Ground
Single Battery Constant Connection
Connections From Our Harness You Will Need to Hookup:
Fuel Pump (Required)
Switched Ignition (Required)
TCC Brake Switch (Converter Control – Required)
Malfunction Indicator (Check Engine, MIL, CEL, ETC.)
Speedometer
Tachometer
Fan 1 Relay Control (Low Speed or Single Control)
Fan 2 Relay Control (High Speed or Second Fan Control)
Fits following vehicles:
1999-2006 Drive By Cable LS1 Engines
1999-2002 Camaro/Firebird, 1999-2004 Corvette (DBC ONLY), 2004 GTO, 2003-2006 CTSV.
Notes:
Please check compatibility table, item specifics, part numbers as well as the product description to ensure this is the correct part for your vehicle.
Instruction not included. Professional installation is always recommended.
Package Content:
1x Complete for LS1 4L60E wire harness
Item SpecificsBrand AutoPart361Type STANDALONE WIRING HARNESSOE/OEM Part Number LS1-4L60EManufacturer Warranty 3 YearsFitment Type Direct ReplacementItems Included 1x Complete for 4L60E wire harnessManufacturer Part Number for 1999-2006Material Rubber, Metal, PlasticFeatures drive by cable（DBC）, Direct Fit, Easy InstallationNote2 Professional installation is always recommendedNote 1 Instruction not included
Payment
We only acceptPaypal, GooglePay, VISA, MasterCard, AmericanExpress, Discover, Mastercard etc.
Shipping
We process and dispatch your purchase within 1 business day after payment clearance.
Please contact us if you have special requirements (combination of packaging etc.).
We offer free USPS or FEDEX Package as default.
Returns
Please contact us first when return, exchange and refund is required.
Any direct return of purchased items will not be processed.
All other returns can be accepted in 30 days.
We will closely examine the condition of the returned items and will not issue any refund/exchange before we make sure the items are in their original neat conditions.
Contact Us
Before leaving us neutral or negative response, please contact us first.
We will do everything we can to give you a satisfying solution.
Please don't open case via or PayPal.
Please don't open any return request before contact us.
About Us
We strive for our customer satisfaction at best possible.
If you have any questions, please feel free to email our service specialists.
We greatly appreciate your POSITIVE response. Please do NOT leave negative response without asking for help. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have.
DESCRIPTIONPAYMENTSHIPPINGRETURN POLICYCONTACT US Wiring Harness Stand Alone For LS SWAPS DBC 4.8 5.3 6.0 1999-2006 LS1-4L60E
Perfect after-sales service:
1.We maintain high standards of excellenceand strive for 100% customer satisfaction!
Please don't open cases or return requests without contacting us.
If you have any questions about quality, shipping or other problems, please contact me first via message.
I will give you a satisfy solution.
2.If you are not sure if these are the right parts for your truck please email me your bill of material number and i will check it for you
Description:
Easy to install
These harnesses are designed for '97 - '06 Vortec retrofits into older muscle cars and street rods or newer non-emissions controlled vehicles.
They are completely plug and play with switched power, constant power and ground connections required.
Harnesses allow for installing the PCM underneath the dash of your vehicle with a sliding grommet seal for that professional leak proof look.
1. This LS1 standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be.
2. Compatible with LS1 4L60E 2003-2006 Chevrolet, GMC, Cadillac and Hummer engine; suitable for 03-06 all using 4L60E(Vortec engine 4.8 5.3 6.0) transmission.
3. This harness is a 3 wire MAF and a 1 wire alternator. For drive by cable throttle body Only.
Connections Included in this Standalone Harness:
Throttle Position Sensor
Idle Air Control Valve
Coolant Temperature Sensor
Alternator/Generator
All 8 Injectors with EV1 Injector Connectors
Bank 1 Coil Harness Connector
Bank 2 Coil Harness Connector
Knock Sensor Harness Connector
Camshaft Position Sensor
4L60e Transmission
Speed Sensor
Bank 1 Upstream Oxygen Sensor
Bank 2 Upstream Oxygen Sensor
Mass Air Flow
IAT (Only If using a 3 Wire MAF)
Crank Position Sensor
A/C Pressure Sensor
OBD II Port (DLC Port)
Single Harness Ground
Single Battery Constant Connection
Connections From Our Harness You Will Need to Hookup:
Fuel Pump (Required)
Switched Ignition (Required)
TCC Brake Switch (Converter Control – Required)
Malfunction Indicator (Check Engine, MIL, CEL, ETC.)
Speedometer
Tachometer
Fan 1 Relay Control (Low Speed or Single Control)
Fan 2 Relay Control (High Speed or Second Fan Control)
Fits following vehicles:
1999-2006 Drive By Cable LS1 Engines
1999-2002 Camaro/Firebird, 1999-2004 Corvette (DBC ONLY), 2004 GTO, 2003-2006 CTSV.
Notes:
Please check compatibility table, item specifics, part numbers as well as the product description to ensure this is the correct part for your vehicle.
Instruction not included. Professional installation is always recommended.
Package Content:
1x Complete for LS1 4L60E wire harness
Payment
We only acceptPaypal, GooglePay, VISA, MasterCard, AmericanExpress, Discover, Mastercard etc.
Shipping
We process and dispatch your purchase within 1 business day after payment clearance.
Please contact us if you have special requirements (combination of packaging etc.).
We offer free USPS or FEDEX Package as default.
Returns
Please contact us first when return, exchange and refund is required.
Any direct return of purchased items will not be processed.
All other returns can be accepted in 30 days.
We will closely examine the condition of the returned items and will not issue any refund/exchange before we make sure the items are in their original neat conditions.
Contact Us
Before leaving us neutral or negative response, please contact us first.
We will do everything we can to give you a satisfying solution.
Please don't open case via or PayPal.
Please don't open any return request before contact us.
About Us
We strive for our customer satisfaction at best possible.
If you have any questions, please feel free to email our service specialists.
We greatly appreciate your POSITIVE response. Please do NOT leave negative response without asking for help. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have.
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On Apr 20, 2026 at 03:29:56 PDT, seller added the following information:
![JEGS Universal Wiring Harness [14-Circuit with Fuse Block] picture](/store/img/g/u4wAAeSw9D1qy8b2/s-l225/JEGS-Universal-Wiring-Harness-14-Circuit-with-Fuse.jpg)
