Will this fit 2012 Chevy avalanche 5.3 L

It compatibles with 2008-2015 LS3 6.2L, with 6L80E / 6L90E Transmissions.

what is the part# for the O2 sen?

this harness takes a early four wire sensor of a camaro 1996 ish- $26 each roughly

What are wire inside vehicle by fuse box ?

They are wires for the key on 12v and the fuel pump command wire

Dos it come with a 6l80 trans wires?

I am sorry that doesn't fit 6l80.

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Gledewen Standalone Wiring Harness, Compatible with 2006-2015 LS3 LS2 6.2L Standalone Harness with TR6060 OR T56 58X Drive by Wire DBWZ, Swap Wire Harness, Stand Alone Engine Wire Harness Kit

Gledewen Standalone Wiring Harness, Compatible with 2006-2015 LS3 LS2 6.2L Standalone Harness with TR6060 OR T56 58X Drive by Wire DBWZ, Swap Wire Harness, Stand Alone Engine Wire Harness Kit

Product ID: 420129678

Details

Brand
Gledewen
Connector type
Proprietary
Item weight
2.68 Kilograms
Material
Copper
Recommended uses for product
electrical

🔌Plug & play OEM design

🔥High-temp resistant TXL wires

🛠️Fits LS2/LS3 6.2L engines

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R9178

Duties & taxes included

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Your LS Swap Like a Pro – Plug, Play, Dominate!

UNIVERSAL COMPATIBILITY - Tailored for 2006-2015 Corvette LS2 & LS3 engines with extended 15-18 ft wiring for versatile swaps.
SEAMLESS OEM INTEGRATION - ISO-certified, plug & play connectors for effortless installation and perfect fit.
DURABILITY MEETS PERFORMANCE - Premium copper core wires wrapped in heat, chemical, and impact-resistant plastic for long-lasting reliability.
CONFIDENCE IN EVERY CONNECTION - Backed by an industry-leading 10-year warranty ensuring peace of mind and zero compromises.
COMPLETE SENSOR TRANSMISSION SUPPORT - Includes all engine and transmission sensor connectors, MAF, MAP, EV6 injectors, and throttle pedal wiring.

The Gledewen Standalone Wiring Harness is a premium, ISO-certified wiring solution designed specifically for 2006-2015 LS2 and LS3 6.2L Corvette engines. Featuring OEM-style plug & play connectors, high-temperature TXL wires, and comprehensive sensor compatibility, it ensures a seamless, durable, and professional-grade engine swap experience backed by a 10-year warranty.

Specifications

ASIN	B09PMXDMMJ
Best Sellers Rank	#19,002 in Automotive ( See Top 100 in Automotive ) #19 in Car Electrical Wiring Harnesses
Brand Name	Gledewen
Cable Type	Wiring Harness
Connector Type	Proprietary
Country Of Origin	China
Customer Reviews	3.9 3.9 out of 5 stars (154)
EU Spare Part Availability Duration	10 Years
Included Components	1 x 2008-2015 LS3 (6.2L) Standalone Wiring Harness w/6l80e.1 x English Manual
Item Weight	2.68 Kilograms
Manufacturer	Gledewen
Material Type	Copper
Model	GW-QXS04
Part Number	GW-QXS04
Recommended Uses For Product	electrical
Unit Count	1 Count
Wire Diameter	1 Millimeters

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