Cooling Fan wiring replacement

Mike_FL · Nov 7, 2025

Nothing to do with me but I found this website.
Has lots of good Mustang wiring fixes including the infamous cooling fan wiring fix

wireeverything.com

WireEverything.com is the evolution of GT500 centered business RaceCar Services. WireEverything.com materialized from the realization that the automotive industry is missing comprehensive and correct repairs and upgrades to allow plug and play use of popular electrical upgrades such as bigger...

wireeverything.com

2005-14 Mustang Dual Speed Fan Relay Harness

If you own a 2005-14 Mustang of any type you fall into 1 of 2 groups: you fan wiring has already burned up or your fan wiring is going to burn up. No exceptions. It is unfortunate Ford decided to hobble the cooling fan with 12g wire and poor grounding. The dual speed fan relay speed harness uses...

wireeverything.com

DaveW · Wednesday at 10:49 AM

I just ordered one of these as a preventative measure and it came in. I haven't even looked under the hood of my car, but I assume it is pretty easy to install? Little surprised to not find a single instruction anywhere on the interweb.

DaveW

Mike_FL · Wednesday at 2:08 PM

That’s strange. He does have a YouTube channel, explaining the products

Wire Everything

Here you can find instruction videos, livestreams, and more all centered around custom wiring and production.

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DaveW · Wednesday at 3:16 PM

Yep, found that. Not a single installation instruction to be found.

Mike_FL · Wednesday at 3:23 PM

I would drop him an email, I followed him on Facebook and he makes lots of these kits

blacksheep-1 · Saturday at 6:39 AM

There's a complete article on how to fix this in project superbeater

blacksheep-1 · Saturday at 10:05 AM

If you do it, do it all.

mustang 05-09 cooling mods

let's see how this goes... The 05-07 mustangs have a goofy coolant flow scheme, basically the thermostat is on the cool side of the engine, where most thermostats are on the hot side. The problem with this (well one of them) is that the temperature is always "delayed" or inaccurate, if the gauge...

trackmustangsonline.com

DaveW · Saturday at 3:29 PM

The Coyote doesn't have the same flow issue, does it? The wire harness from wire everything should fix the rest (I got the full one with relays). I also grabbed a GT500 fan for "while I am in there"....all of which is overkill for my bone stock engine in my fricken autocross car that we don't even street drive.

DaveW

The Mustang Forum for Track & Racing Enthusiasts

Cooling Fan wiring replacement

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Mike_FL

wireeverything.com

2005-14 Mustang Dual Speed Fan Relay Harness

DaveW

Mike_FL

Wire Everything

DaveW

Mike_FL

blacksheep-1

Epic Contributor

blacksheep-1

Epic Contributor

mustang 05-09 cooling mods

DaveW

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