Product Description
Dual Electric Fan Upgrade Harness for 1999-2006 GM Truck/SUV
Used for adding electric fans to GM trucks or SUV's that came with a mechanical fan. Harness has power and ground connections, as well as pinned wires to control the fans with your factory computer (requires PCM tuning). Plugs fit 2005+ OEM truck/SUV fans for an easy installation. Includes 40 amp fuses and relays. Great mod to free up horsepower, lower engine temps, and gain engine bay space in your 1999-2006 GM truck or SUV. Compatible with 4.8L, 5.3L, and 6.0L engine computers.
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Super easy
Used on an 03 2500hd with the 8.1L. installed on like 15 minutes. Electric fans instantly. Clean and neat install. I would recommend using zip ties to hold the relay connector together, they slide out easy. Minor detail...
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Super nice quality and easy install
Totally worth the buy. Great quality and easy to install. The only thing that was unclear was where to mount the relays, (probably only because I used aftermarket OE style fans vs actual OEM) either way this is a much better option than making your own harness or buying a harness where you also need to install a secondary temp sensor into the block/head/radiator etc to switch the fans on and off. Since this pins into the ecu it essentially functions like OEM which is great.
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Well made
Very well made harness! Worked exactly how I hoped. Will be shopping with Michigan Motorsports in the FUTURE!
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Worked as Advertised!
Item worked as should and was great!
