For 1999–2006 Chevy GM Electric Dual Fan Upgrade Wiring Harness Kit ECU Control

$ 11.09

Features: Durability Tested model: For 1999–2006 ECU Control Brand: gof Manufacturer Part Number: 7L5533A226T Superseded Part Number: 7L5533A226T Manufacturer Warranty: 3 Months UPC: Does not apply OE/OEM Part Number: 7L5533A226T Material: Plastic Items Included: Electric Fan Wiring Harness Item Diameter: / Fitment Type: Direct Replacement gtin13: Does not apply Item Height: / Interchange Part Number: 7L5533A226T Type: Electric Fan Wiring Harness

Description

For 1999–2006 Chevy GM Electric Dual Fan Upgrade Wiring Harness Kit ECU Control 🛠️ ECU-Controlled Dual Electric Fan Upgrade Wiring Harness – Fit 1999–2006 GM Vehicles | OE #7L5533A226T Direct ECU Integration | 05+ GM Truck Plug Compatibility | OEM-Quality Durability Enables ECU-controlled operation of dual electric cooling fans for optimized engine temperature management – professional installation recommended. 1. Exact Compatibility & OE Part Reference This wiring harness is engineered for 1999–2006 GM vehicles with ECU-controlled cooling systems , providing a direct upgrade path for dual electric fan setups: Compatible Range Key Fit Notes 1999–2006 GM Vehicles (ECU Control) Works with dual electric fan combos; requires ECU reflashing to enable fan control functionality OE Cross-Reference Part Number 7L5533A226T Plug Compatibility Pre-wired with 05+ GM truck plugs for seamless connection to factory and aftermarket fan assemblies Critical Fit Check : Verify your GM vehicle’s model year falls within 1999–2006 and confirm the ECU is flashable before purchase. This harness is designed for dual fan setups – not compatible with single-fan systems. 2. Core Features & Performance Advantages 🔹 ECU-Controlled Fan Operation Direct ECU Integration : This harness allows you to hardwire your dual electric fan upgrade directly to the vehicle’s ECU, replacing manual or relay-only controls for precision temperature-based fan activation . ECU Reflash Required : To unlock full functionality, the vehicle’s ECU must be reflashed to recognize and regulate the dual fan system – this ensures optimal fan engagement timing, reducing engine overheating risk and improving efficiency. Dual Fan Support : Purpose-built to power and control dual electric cooling fan combos, ideal for high-performance builds, towing applications, or replacing faulty factory fan harnesses. 🔹 OEM-Grade Durability & Reliability Corrosion & Dust-Resistant Construction : Made of heavy-duty, weather-resistant materials to withstand under-hood heat, vibration, and moisture – meets or exceeds OEM specifications for long service life. 100% Pre-Tested : Every harness undergoes rigorous quality testing before shipping to ensure reliable electrical connectivity with zero power loss. Plug-and-Play Design (with Prep) : Pre-wired with 05+ GM truck plugs for easy connection to fan assemblies; eliminates the need for custom wiring fabrication. 3. Technical Specifications Parameter Category Detailed Specifications Condition 100% Brand New, Unused Product Type ECU-Controlled Dual Electric Fan Upgrade Wiring Harness OE Cross-Reference Number 7L5533A226T Plug Compatibility 05+ GM Truck Plugs Function Enables ECU control of dual electric cooling fans (requires ECU reflash) Installation Note Professional installation highly recommended; no instructions included 4. Package Included 1 × ECU-Controlled Dual Electric Fan Upgrade Wiring Harness (as shown in product photos) 5. Installation Tips & Critical Reminders ECU Reflash Prerequisite : Before installation, confirm your vehicle’s ECU can be reflashed by a qualified GM technician or tuning specialist – without this step, the fans will not operate under ECU control. Safety First : Disconnect the vehicle’s battery to avoid electrical short circuits during harness installation. Professional Installation Recommended : Due to the need for ECU integration and precise wiring connections, professional installation is strongly advised to prevent damage to the vehicle’s electrical system or fan assembly. Post-Install Test : After installation and ECU reflash, start the engine and monitor fan engagement to ensure it activates and deactivates at the correct temperature thresholds. 6. After-Sales Support Customer Satisfaction Guarantee : We prioritize 100% customer satisfaction – contact us first via eBay message for any quality, shipping, or fitment issues before opening cases or return requests. Issue Resolution : Our team will provide a satisfactory solution for defective parts, shipping errors, or installation guidance to ensure your upgrade is successful.

  1. The quality of the item from this seller was great, especially for the value on the price. The item is in great condition upon arrival and appeared as shown in the listing. Great Seller A+

    DJPython5141
  2. Received as described. Quick turnaround. Delivery was off by a couple of days, but sometimes it’s not from the seller but the shipping company. Overall I was satisfied.

    MedS.KAMAL19
  3. Great quality new parts. Great deal. Item as described. Fast shipping and good packaging. Will definitely be doing more business with this seller as needed

    NikJava81127