Electric Fan Conversion
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Senior User
Joined: May 2007
Posts: 224
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From: Olathe, KS
Electric Fan Conversion
Howdy all,
Got me an electric fan off of an early 90's thunderbird on my last trip to the junkyard and was hoping to put it in my truck. My questions are this: what else should i get to complete this project and anybody have a link to a good write-up or some sage advice that might save me from making a mess of things.
Thanks,
Josh
Got me an electric fan off of an early 90's thunderbird on my last trip to the junkyard and was hoping to put it in my truck. My questions are this: what else should i get to complete this project and anybody have a link to a good write-up or some sage advice that might save me from making a mess of things.
Thanks,
Josh
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
I was researching that the other day, after replacing the rad in our 2.3L Ranger it runs a bit cool now, and I have an e-fan from an old Corolla so all that's needed is some way to power and control it. This kit appears to be one of the better designed Hayden Automotive 3647 - Hayden Electric Fan Controls - Overview - SummitRacing.com it doesn't require any holes in the cooling system, is adjustable, and appears to be relatively weather proof so I think this is the one I'm going to get.
FTE Chapter Leader
Joined: May 2006
Posts: 12,324
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From: Central Mississippi
I'm working on this right now as well. A couple of years back I came by a 93 Taurus 3.8 setup. I've got the controler as well, but don't really want to try & wire it. The mtr was dead & I picked up a replacement at NAPA, a Siemens 2 speed replacement (orig Ford was Siemens mfg'd) and quite heavy duty, unlike some I looked at.
I've fitted 90% of the original Taurus shroud inside the shroud of my F's for strength's sake & I'm pretty pleased with the result, so far. I've got to cut a fill ring for sealing today.
I was doing some research right now on how to wire & run the setup when I came across this thread.
Here's a couple I've pulled up so far:
https://www.ford-trucks.com/forums/7...ustration.html
https://www.ford-trucks.com/forums/6...ctro-fied.html
As a side note, the member Skandocious (no longer here) did a electro-fan conversion & posted a very detailed illustration of how he wired it for auto run & AC activation. Unfortunately I can't find it.
Also I might add, be careful of the blades. They're sharp as hell & I've got 5 painful little cuts to prove it...
I've fitted 90% of the original Taurus shroud inside the shroud of my F's for strength's sake & I'm pretty pleased with the result, so far. I've got to cut a fill ring for sealing today.
I was doing some research right now on how to wire & run the setup when I came across this thread.
Here's a couple I've pulled up so far:
https://www.ford-trucks.com/forums/7...ustration.html
https://www.ford-trucks.com/forums/6...ctro-fied.html
As a side note, the member Skandocious (no longer here) did a electro-fan conversion & posted a very detailed illustration of how he wired it for auto run & AC activation. Unfortunately I can't find it.
Also I might add, be careful of the blades. They're sharp as hell & I've got 5 painful little cuts to prove it...
Post Fiend
Joined: Oct 2003
Posts: 6,214
Likes: 13
From: New Jersey
This is why I went with an electric fan out of a late 80's early 90's GM (Caddy Seville). It has two ambient temperature sensors, two relays, and two speeds built in. All I had to do was add a 50A fuse and physically install it.
To automatically run the fan when the AC is on, you need only two diodes between the AC clutch wiring and the relay coil, and the relay coil and whatever it is you are using to actuate the relay for temperature.
This prevents the fan controller from engaging the AC clutch, yet allowing the AC clutch to engage the fan relay.
To automatically run the fan when the AC is on, you need only two diodes between the AC clutch wiring and the relay coil, and the relay coil and whatever it is you are using to actuate the relay for temperature.
This prevents the fan controller from engaging the AC clutch, yet allowing the AC clutch to engage the fan relay.
Thread Starter
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Senior User
Joined: May 2007
Posts: 224
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From: Olathe, KS
I was researching that the other day, after replacing the rad in our 2.3L Ranger it runs a bit cool now, and I have an e-fan from an old Corolla so all that's needed is some way to power and control it. This kit appears to be one of the better designed Hayden Automotive 3647 - Hayden Electric Fan Controls - Overview - SummitRacing.com it doesn't require any holes in the cooling system, is adjustable, and appears to be relatively weather proof so I think this is the one I'm going to get.
Thanks guys. dang i love this site
Freshman User
Joined: Aug 2009
Posts: 41
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From: NW IL
I was researching that the other day, after replacing the rad in our 2.3L Ranger it runs a bit cool now, and I have an e-fan from an old Corolla so all that's needed is some way to power and control it. This kit appears to be one of the better designed Hayden Automotive 3647 - Hayden Electric Fan Controls - Overview - SummitRacing.com it doesn't require any holes in the cooling system, is adjustable, and appears to be relatively weather proof so I think this is the one I'm going to get.
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Freshman User
Joined: Aug 2009
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From: NW IL
I finally found what I was looking for. Take a look at these two kits. I wish I would of seen them before I bought my controller.
Electric Cooling Fan Control
Spal Pulse Width Modulated Fan Controller
Electric Cooling Fan Control
Spal Pulse Width Modulated Fan Controller
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Post Fiend
Joined: Oct 2003
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From: New Jersey
You can use one fan just fine. You can controll it with a switch and a relay, a temperature sensing control unit, or a PWM control unit (variable speed from 0 - max).
After all, your mechanical fan is just one fan (though variable speed due to the clutch).
After all, your mechanical fan is just one fan (though variable speed due to the clutch).
Post Fiend
Joined: Oct 2003
Posts: 6,214
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From: New Jersey
Any in-rush current over the alternator's capability is handled by the battery, since they're wired in parallel.
But yes, do pay attention to current draw because you can max out a smaller alternator very quickly and prevent charging when other accessories are on - headlights, high power stereo, etc.
If your truck doesn't have AC and instead has a dummy pulley like mine does, a second alternator is a great project. I'll be doing this in the spring myself.
But yes, do pay attention to current draw because you can max out a smaller alternator very quickly and prevent charging when other accessories are on - headlights, high power stereo, etc.
If your truck doesn't have AC and instead has a dummy pulley like mine does, a second alternator is a great project. I'll be doing this in the spring myself.
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Joined: May 2006
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From: Central Mississippi
And why a second diode for the temp switch? Where would the current back up to?