It is important to have the best fan harness. We are here to help you choose the best one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Derale Fan Harness READ REVIEW

Best For Good Quality: Buy: Spal Fan Harness READ REVIEW

Best For Copper Wire: Buy: Noeker Fan Harness READ REVIEW

Best For High Temperature Resistance: Buy: Altbet Fan Harness READ REVIEW

Best With Part Number: Buy: Wztepeng Fan Harness READ REVIEW

Best For High Reliability: Buy: Labwork Fan Harness READ REVIEW

Best For Customer Service: Buy: Makuang Fan Harness READ REVIEW

Best Overall: Derale Fan Harness

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Derale is known for creating practical and feature-packed harnesses for people on the go, and its line of Derale Fan Harnesses definitely falls in line with that reputation. The derale fan harness includes a 40/60 amp single relay with a quick change wire harness. Make sure this fits by entering your model number. Moreover, it is easy to install and it works perfectly.

The harness comes with an inline fuse, works great and it is good for your country of origin. In addition, the harness is more and it is good for ignition switch. Lastly, the derale fan harness is designed with great instructions and it is professional.

Most customers agree that the harness gets its 12v switched power from. Moreover, a few say that the harness is easy to follow. Further, they also found that the harness is well made, and the instructions are very clear. Consequently, customers were eager to recommend it to friends and families.

• This works as advertised, works as expected and it is for heavy duty.
• Package dimensions: 7.5 l x 1.25 h x 4 w (inches).
• This works fine, does what it says and it comes with nice wire.
• This is great for wiring an oil cooler fan.

Best For Good Quality: Spal Fan Harness

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Next on the list, we've got yet another harness that manages to win our hearts. It's the special fan harness and it's widely considered as the harness that has the most suitable features. The special fan harness is perfect for high quality, is great for high quality materials and it is very happy. Spal electric fan relay wiring kits are designed to automatically turn on your spal electric fan when the air conditioning is turned on. Also, the harness is auxiliary and it is designed for heavy duty.

Lastly, the special fan harness is perfect for heat shrink, is yellow and it allows for easy install.

One customer says - "If you want to have the fan running all the time while the key is on, ground the thermostat wire. ". Almost all buyers quickly discovered that the harness does not have the temp switch but it made hooking up a second fan very easy. In conclusion, buyers found this to be one of the best harnesses for daily purposes.

• This can also be used when dual electric fans are installed using one switching device.
• Package dimensions: 19.812 h x 7.366 l x 14.224 w (centimeters).
• This is ideal for fuel pump and it can be trusted for the highest quality.

Best For Copper Wire: Noeker Fan Harness

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Noeker is known for creating pragmatic and minimalist harnesses for people on the go, and its line of Noeker Fan Harnesses definitely falls in line with that reputation. The noeker fan harness is used for copper wire and it works well for direct replacement. Make sure this fits by entering your model number. In addition, the harness is made of durable material which is totally corrosion and dust resistant.

The harness is fitment and it is black. Finally, the noeker fanharness is easy to install and it is best for high temperature.s.

• Fitment : repalcement for gm 1999–2006 ecu control.
• Fitment type: easy to install. Direct replacement of the worn original part (no instructions included).
• This comes with a 1 x dual electric fan upgrade wiring harness.

Best For High Temperature Resistance: Altbet Fan Harness

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The Altbet Fan Harness is specially designed for your daily purpose and has all the useful features. The altbet fan harness is designed with copper wire and it is sturdy. Please check the compatibility before ordering the package included. And, it is made for long - life service, is best for high temperatures and it is simple. Above all, the altbet fan harness is easy to install, has replaced part number and it can have a long life.

Most buyers found that the harness is easy to wire up, plugged right in and fans work great now. With no doubts, this harness passed the test and had very satisfied buyers eager to share their experience.

• Dual fan upgrade wiring harness fit for 1999–2006 ecu control.
• Good brand reputation.

Best With Part Number: Wztepeng Fan Harness

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The Wztepeng Fan Harness is capable of outshining several other harnesses featured in this list in overall features for the price point. The wztepeng fanharness works great and it is reliable. This harness can directly fix your electric fan and control the electric fan through the ecu. And, the harness has replaced part number and it is compatible. Above all, the wztepeng fan harness comes with a 05+ gm truck plug.

"Everyone raves about Nelson P. harness. " - says, one customer. With no doubts, this harness passed the test and had very satisfied buyers eager to share their experience.

• Note： harness with 05+ gm truck plug.
• Manufacturer says: we adopt the highest grade materials to make our products.
• One of the newcomers and featured product.

Best For High Reliability: Labwork Fan Harness

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Compared with other harnesses in this category, the Labwork Fan Harness has a convenient design. In addition, it is made with high-quality materials, is made high-quality and it has stable performance. Make sure this fits by entering your model number. Lastly, the labwork fan harness is designed for high reliability and it is made of high-quality materials.

Therefore, most customers agree that the harness is functionally comfortable and no one questions it.

• Good brand reputation.
• New and hot releases.

Best For Customer Service: Makuang Fan Harness

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The Makuang line of harnesses comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Makuang Fan Harness fits for cross reference, is easy to install and it fits for cross reference part numbers. The harness is setup to control your dual fan combo and comes wired with 05+ gm truck plugs. The electric cooling fan wire harness kit fit for gm 1999–2006 ecu control. Most importantly, the makuang fan harness is made of durable material which is totally corrosion and dust resistant, Each item has been factory tested and meets or exceeds oem specifications.

• This is a must when upgrading your truck to electric fans.
• It only requires a couple of minutes of your time.
• Delivers what they promise.