Other Products ｜Dual Electric Fan Upgrade Wiring Harness Kit for GM 1999-2006 ECU Control Engine Cooling Fan Relay Kit

Model
Year Range
Engine




Cadillac Escalade
2002-2006
All Gas Engines


Cadillac Escalade ESV
2003-2006
All Gas Engines


Cadillac Escalade EXT
2002-2006
All Gas Engines


Chevrolet Avalanche 1500
2002-2006
All Gas Engines


Chevrolet Avalanche 2500
2002-2006
All Gas Engines


Chevrolet Silverado 1500
1999-2007 Classic
All Gas Engines


Chevrolet Silverado 2500
1999-2007 Classic
All Gas Engines


Chevrolet Silverado 3500
2001-2007 Classic
All Gas Engines


Chevrolet Suburban 1500
2000-2006
All Gas Engines


Chevrolet Suburban 2500
2000-2006
All Gas Engines


Chevrolet Tahoe
2000-2006
All Gas Engines


GMC Sierra 1500
1999-2007 Classic
All Gas Engines


GMC Sierra 2500
1999-2007 Classic
All Gas Engines


GMC Sierra 3500
2001-2007 Classic
All Gas Engines


GMC Sierra Denali
2002-2007 Classic
All Gas Engines


GMC Yukon
2001-2006
All Gas Engines


GMC Yukon XL 1500
2000-2006
All Gas Engines


GMC Yukon XL 2500
2000-2006
All Gas Engines Only



Product Overview
This brand new dual electric fan wiring harness, also known as an engine cooling fan wire or dual fan relay kit, is built to meet or exceed OEM fit and performance standards for listed GM vehicles. It features a three-relay design that supports both low and high speed fan operation for optimal engine cooling efficiency.
Common Faults & Replacement Symptoms

Cooling fans fail to activate or only operate on one speed, leading to frequent engine overheating
Intermittent fan operation caused by corroded or damaged factory wiring harness connections
Check engine light triggered by cooling fan circuit fault codes related to wiring damage
Mechanical fan failure leading to repeated overheating events and reduced engine performance
Blown fuses or melted wiring connectors in the factory cooling fan circuit

Ideal For

DIY automotive enthusiasts upgrading from a mechanical cooling fan to electric fans on 1999-2007 GM gas vehicles
Professional repair technicians replacing damaged factory cooling fan wiring harnesses
Vehicle owners looking to improve engine cooling efficiency and reduce parasitic power loss
Classic GM truck and SUV owners performing cooling system overhauls or performance upgrades
Brand:EGR PerformanceSKU:AM-B0B76NQYFG