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Discussion Starter · #1 ·
I honestly have searched and searched on this forum for something straight forward about taking out the mechanical fan clutch and installing an electric fan(s). I've learned a few things on how to remove assembly and other small things from reading on here but I'm looking for more information on:

- Which electric fan(s) work for our 2nd gens. i.e. Size of fans, name brand and model number?
- Installation tips on fans?
- Use factory shroud? No shroud? Custom shroud?
- Which controller to use that's been proven to work dependably?
- Step by step instructions on how to wire up controller and misc. parts used. i.e Fuses? Relays? Where to mount sensor?

I installed electric fans on my 84 street rod and it was not hard at all. This truck... not so much.

I need to tackle this project asap! My piece of garbage mechanical fan clutch stays locked up fan spinning high with revs and is very audible and robbing power and ruining already poor gas mileage making it worse.
 

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One 16" fan, any brand model, fits in there perfectly. Get rid of the shroud. thermostat I have is a bulb type that fits in the radiator hose flow. Haven't had any issues at all in 4 years. Installation is mostly as you go you figure out how to make it all fit. I did cheat and wire the (+) circuit directly to the battery.
 

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any pics of your setup?
 

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I honestly have searched and searched on this forum for something straight forward about taking out the mechanical fan clutch and installing an electric fan(s). I've learned a few things on how to remove assembly and other small things from reading on here but I'm looking for more information on:

- Which electric fan(s) work for our 2nd gens. i.e. Size of fans, name brand and model number?
- Installation tips on fans?
- Use factory shroud? No shroud? Custom shroud?
- Which controller to use that's been proven to work dependably?
- Step by step instructions on how to wire up controller and misc. parts used. i.e Fuses? Relays? Where to mount sensor?

I installed electric fans on my 84 street rod and it was not hard at all. This truck... not so much.

I need to tackle this project asap! My piece of garbage mechanical fan clutch stays locked up fan spinning high with revs and is very audible and robbing power and ruining already poor gas mileage making it worse.
if you dont wanna screw with efans i have an oem fan off my 03????
 

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if you dont wanna screw with efans i have an oem fan off my 03????
That won't help his 05.

Instead of running a single 16", why not 2 12"s and leave the auxilery fan in place. This will cover the most possible radiator area and you don't have to use a shroud. Then use some kind of controller so that the fans turn out at 175 or so and off at 165 or so.

If you want a write-up then shoot me a PM and I will e-mail it to you in pdf format.
 

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That won't help his 05.

Instead of running a single 16", why not 2 12"s and leave the auxilery fan in place. This will cover the most possible radiator area and you don't have to use a shroud. Then use some kind of controller so that the fans turn out at 175 or so and off at 165 or so.

If you want a write-up then shoot me a PM and I will e-mail it to you in pdf format.
LOL i seen what looked like to be a first gen in the sig and payed no attention to the writting
 

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dubie has a nice, detailed write up for an efan
 

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Just letting everyone know I did not make the write-up. It was Sleepy23 who did all the leg work. He should get all the credit for this write-up.

oh my bad. thought you did it when you sent it to me. where has sleepy been?
 

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oh my bad. thought you did it when you sent it to me. where has sleepy been?
I have no clue where he has been. I think he was going thru a job change and I think a new baby but besides that I have no clue.

One of the last things I remember reading from him was 2 weeks before the Nismo rims were clearances out, he bought a set at a deal but not as good as the 90 a pop. He wasn't completely pissed but wasn't happy either.

I have thought about posting it but I am not sure Sleepy would appreciate it. Heck, I am not sure he even likes the fact that I have set it to a handful of members already. I have to ask thou, how does one upload a pdf thou? Can it be done thru CF or does it have to be hosted by photobucket or another kind of hosting site?
 

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i did mine with a 16"ish fan from the junk yard for $20. I got a hayden fan controller from napa for $30. it can run two fans, push probe for temp, and can be wired to kick on with the a/c compressor. I ditched the factory shroud and used a piece of aluminum strapping to hold it in place.

this pic is before the wiring was done.
http://farm5.static.flickr.com/4044/4689708626_39cdbcab0d_b.jpg

also, you need to put flat washers on the water pump pulley to nice there isn't enough thread without the mech fan there.
 

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Discussion Starter · #13 ·
Sorry been a busy day and I'm just now checking this. So two 12" fans side by side fit perfect? I have some Hayden fans in my C10 that seem to work fine. I mean they have those down the road at the parts store. Does anyone have a write up with pics? Dubie? The pdf you have is informational?
 

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Discussion Starter · #15 · (Edited)
No, unless you remove the aux fan whuch wouldn't make any sense.
I meant stacked.

Anyway, I'm almost done with my install... looking for a wire to tap into that goes on and off with the key. Hopefully something in the engine bay. Anybody?


Whoever said you learn as you go was right btw.
 

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Discussion Starter · #16 ·
looking for a wire to tap into that goes on and off with the key. Hopefully something in the engine bay.
Trying to finish this install this morning can anybody help me out?
 

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Discussion Starter · #17 ·
Is this thread locked or something???

Can anyone tell me where you are hooking anything up with a power source on key turn on? I've tried my tester on almost everything in the fuse block and can't find one that has no power when I turn the key off.
 

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How about using a relay and going straight to the battery and powering the relay form a line that is switched inside the cab. I know there are several switched power lines under the steering wheel, and there is a grommet to get out into the engine bay right there as well.

I know this is not a switched power line under the hood, but you may not be getting an answer because there may not be an easily accessible one...
 

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Discussion Starter · #19 ·
How about using a relay and going straight to the battery and powering the relay form a line that is switched inside the cab. I know there are several switched power lines under the steering wheel, and there is a grommet to get out into the engine bay right there as well.

I know this is not a switched power line under the hood, but you may not be getting an answer because there may not be an easily accessible one...
I am practically done... just needing to hook up one single ignition on/off wire from the control unit to a power source. No need to complicate things more. I've been at this for 2 days because I can't find where to hook up that wire. Been trouble shooting that and also trying to set the dial on the control unit to kick the fans on at a certain temp which is difficult in itself because there's no numbers to go off of just a range from what the paper says 90-210.
 

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I'd just be interested to know where everyone is getting switched power for the fan :)

For those that are considering it, it made a pretty significant difference in a friend of mines car...
 
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