▶Electric Dual Fan Upgrade Wiring Harness Part Number: 7L5533A226T; Fit for GM 1999–2006 ECU Control. ▶Excellent quality. Made of durable material which is totally corrosion and dust resistant, each item has been factory tested and meets or exceeds OEM specifications. ▶PA66 (nylon-66) + copper wire Material: PA66 (nylon-66) + copper wire Performance: Flame retardant, Waterproof, Acid proof, High temperature resistance Sturdy and durable, long life service ▶You can use this harness to pin your electric fan upgrade directly ▶Easy to install. Direct replacement the worn original part. Only requires a couple of minutes of your time. Watching a video on the Internet is helpful.

Dual Fan Upgrade Wiring Harness Compatible With 1999–2006  

Replace Part Number: 7L5533A226T  PA66 (nylon-66) + copper wire 

Material: PA66 (nylon-66) + copper wire 

Performance:  Flame retardant, Waterproof, Acid proof, High temperature resistance Sturdy and durable, long life service  You can use this harness to pin your electric fan upgrade directly. 

The harness is setup to control your dual fan combo and comes wired with plugs Compatible With 05+ GM truck.  Please check the compatibility before ordering  

Package included:  1x 1 x Dual Electric Fan Upgrade Wiring Harness  

Product Description: You can use this harness to pin your electric fan upgrade directly through the ECU and let it control the fans (ECU does need flashed). The harness is setup to control your dual fan combo and comes wired with 05+ GM truck plugs. With this harness, you don't have to worry about triggering your fans or using those horrible probe thermostats that never work properly. This is a must when upgrading your truck to electric fans.