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

Product ID: 420129678

Details

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

⚡High conductivity copper core

🔌Plug & play OEM design connectors

🔥Heat & chemical resistant TXL wires

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Description

🔧 Power your LS swap with plug & play precision — don’t get left behind!

EXTENDED REACH - Extra-long 15-18 feet cables ensure effortless integration with complex engine and transmission setups.
PRECISION OEM FIT - Seamless plug & play installation with factory-grade connectors designed for 2006-2015 LS3/LS2 engines.
UNMATCHED DURABILITY - Premium copper wiring wrapped in 1200°F glass fiber braid resists heat, chemicals, and wear for long-lasting performance.
COMPREHENSIVE COMPATIBILITY - Supports TR6060 or T56 58X drive-by-wire systems with universal color-coded connectors for all sensors and injectors.
CONFIDENCE BACKED BY WARRANTY - Industry-leading 10-year warranty guarantees reliability and peace of mind for your high-performance swap.

The Gledewen Standalone Wiring Harness is a premium, ISO-certified wiring solution engineered for 2006-2015 LS3 and LS2 6.2L engines. Featuring high-conductivity copper cores, heat-resistant TXL wires, and factory-style connectors, it ensures a reliable, plug-and-play installation for TR6060 or T56 58X drive-by-wire setups. With extra-long cables and universal color coding, it supports complete engine and transmission wiring needs, backed by a robust 10-year warranty for ultimate confidence.

Specifications

ASIN	B09PMXDMMJ
Best Sellers Rank	#16,219 in Automotive ( See Top 100 in Automotive ) #20 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 (156)
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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₨7034

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In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

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