Full unboxed main view dual electric fan upgrade wiring harness kit for GM 1999 to 2006 ECU controlled vehicles
Close up of copper wiring and PVC insulation dual electric fan wiring harness for GM 1999 to 2006 models
Close up of two pin connector dual electric fan relay kit for GM 1999 to 2006 ECU control vehicles
Close up of three relay system dual electric fan wiring harness for GM 1999 to 2006 vehicles
Close up of double fuse protection components dual electric fan harness kit for GM 1999 to 2006 models
Precisely marked wire labels dual electric fan upgrade harness for GM 1999 to 2006 vehicles
Replacement for part number 7L5533A226T dual electric fan wiring harness for GM 1999 to 2006 models
Full unboxed main view dual electric fan upgrade wiring harness kit for GM 1999 to 2006 ECU controlled vehicles
Close up of copper wiring and PVC insulation dual electric fan wiring harness for GM 1999 to 2006 models
Close up of two pin connector dual electric fan relay kit for GM 1999 to 2006 ECU control vehicles
Close up of three relay system dual electric fan wiring harness for GM 1999 to 2006 vehicles
Close up of double fuse protection components dual electric fan harness kit for GM 1999 to 2006 models
Precisely marked wire labels dual electric fan upgrade harness for GM 1999 to 2006 vehicles
Replacement for part number 7L5533A226T dual electric fan wiring harness for GM 1999 to 2006 models

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

$44.35
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Details
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
Shipping Details

Ontario CA / Springdale OH / Newark NJ
Package List

Complete Package Contents

  • 1 x Dual Electric Fan Wiring Harness Kit
Delivery Time

2-5 working days inland in the United States

Product details

Specifications

  • Type: Dual Electric Fan Wiring Harness
  • Condition: Brand New
  • Material: Copper conductor with PVC insulation
  • Connector Type: Two-pin connector
  • Cable Type: Flat ribbon cable
  • Item Weight: 0.5 kg
  • Fitment Type: Direct replacement
  • Unit Count: 1 kit

Core Advantages

  • ECU controlled operation for precise cooling fan activation based on real-time engine temperature data
  • Three-relay system supports both low and high speed fan operation for optimal cooling across all operating conditions
  • Eliminates parasitic power loss from mechanical fans, improving engine efficiency and overall performance
  • Double fuse design provides enhanced circuit protection for your vehicle's electrical system
  • Precisely marked wiring ensures easy, accurate installation without guesswork

OEM Quality & Compliance Certification

This dual electric fan wiring harness is manufactured to ISO 9001 quality standards and meets all SAE automotive electrical component requirements for North American market use. It is designed as a direct replacement for OEM cooling fan harnesses, matching factory fit and function for all compatible GM vehicles.

Replace Part Numbers

  • Replacement for 7L5533A226T

Complete Package Contents

  • 1 x Dual Electric Fan Wiring Harness Kit

Installation & Fitment Notes

  • Always confirm your vehicle model, year, and OEM part number matches fitment listings before purchasing
  • Professional installation is highly recommended, no installation instructions are included
  • Review relevant installation tutorial videos prior to beginning replacement work
  • Not compatible with diesel engine models or vehicles with non-ECU controlled cooling systems
  • Disconnect vehicle battery before beginning any electrical work to avoid short circuits

Warranty & Support

This EGR Performance dual electric fan wiring harness comes with a 1-year manufacturer warranty against defects in materials and workmanship. For any technical questions, fitment concerns, or warranty claims, please contact our customer service team at service@egrperformance.com.

Shipping & Delivery Information

  • Free standard shipping across the contiguous United States
  • Expedited shipping options are available at checkout for urgent orders
  • All orders are processed within 1-2 business days of payment confirmation
  • Shipping coverage extends to all 50 US states, Canada, and Puerto Rico

Why Choose This Product

  • Precision engineered for perfect fit and function on 1999-2007 Classic GM gas vehicles
  • High quality copper and PVC construction ensures long lasting durability in harsh underhood conditions
  • Improves engine cooling efficiency while reducing parasitic power loss compared to mechanical fans
  • Backed by a 1-year manufacturer warranty for complete peace of mind
  • Direct replacement design eliminates the need for custom modifications for compatible vehicles

Long-Term Maintenance Tips

  • Inspect wiring harness connections and fuses annually to ensure proper electrical contact
  • Clean any dirt or debris from the harness and relay area during routine vehicle maintenance to prevent corrosion
  • Regularly check cooling fan operation to catch any electrical issues early before they lead to engine overheating
  • Replace any damaged or frayed wiring immediately to avoid costly electrical system damage
  • Avoid exposing the wiring harness to harsh chemicals or excessive heat sources to extend service life

Vehicle Fitment Description

This EGR Performance dual electric fan wiring harness is designed as a direct replacement for 1999-2007 Classic GM gas powered vehicles including Cadillac Escalade series, Chevrolet Silverado, Avalanche, Suburban, Tahoe, and GMC Sierra, Yukon series with ECU controlled cooling systems.

Compatible Vehicle Trim & Configuration Details

  • Compatible with all 2WD and 4WD trim levels for listed GM gas models
  • Fits standard, extended, and crew cab configurations for pickup models
  • Supports all factory bed length options for compatible pickup trucks
  • Not compatible with diesel engine models or non-ECU controlled cooling fan systems
  • Not suitable for vehicles with custom modified cooling fan setups unless otherwise specified

TheEGR Performance Dual Electric Fan Upgrade Wiring Harness Kitis a high quality direct replacement part designed to control your vehicle's electric cooling fan directly through the OEM ECU, eliminating the parasitic power loss associated with mechanical cooling fans for 1999-2006 GM gas vehicles.

  1. Dispatch Time: Orders will be shipped within 24 hours after successful payment.
  2. Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
  3. Return Window:7 days for unsatisfactory items45 days for quality-related issues
  4. Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

FAQ (Frequently Asked Questions)

Will this dual electric fan wiring harness fit my 2004 Chevrolet Silverado 1500 gas model?

Yes, this wiring harness is compatible with 1999-2007 Classic Chevrolet Silverado 1500 models with gas engines and ECU controlled cooling systems.

What OEM part number does this wiring harness replace?

This dual electric fan wiring harness is a direct replacement for OEM part number 7L5533A226T for compatible GM vehicles.

Does this harness support both low and high speed fan operation?

Yes, this harness features a three-relay system that supports both low and high speed cooling fan operation for optimal engine cooling.

Is installation instructions included with the purchase?

No, installation instructions are not included with this product. Professional installation is highly recommended, and you can find relevant installation tutorial videos online for reference.

Will this harness work on diesel engine GM models?

No, this dual electric fan wiring harness is only compatible with gas engine GM models from the listed fitment range, and does not work with diesel engine configurations.

What warranty comes with this EGR Performance wiring harness?

This product comes with a 1-year manufacturer warranty against defects in materials and workmanship. You can contact service@egrperformance.com for any warranty related inquiries.

Can I use this harness to upgrade from a mechanical fan to electric fans?

Yes, this harness is designed to allow you to control electric cooling fans directly through your vehicle's ECU, making it ideal for mechanical to electric fan upgrades on compatible GM models.

What materials are used in the construction of this wiring harness?

This harness is made with high quality copper conductors and durable PVC insulation, designed to withstand harsh underhood operating conditions.

Does this product come with all necessary relays and fuses?

Yes, this complete dual electric fan wiring harness kit includes all required relays and fuses for installation on compatible GM vehicles.

Will this harness fit my 2007 Chevrolet Silverado Classic model?

Yes, this harness is compatible with 2007 Classic style Chevrolet Silverado and GMC Sierra models with gas engines and ECU controlled cooling systems.