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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #1  
Old 07-07-2012, 01:31 AM
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Default Stop lights in Texas....hot!

So 04 H2, mechanical fan, idle can sometimes not provide the cooling I would like....so my question is............................. Electric fans, who's got 'em and which one did ya use?
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  #2  
Old 07-07-2012, 02:36 AM
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Default Re: Stop lights in Texas....hot!

I'm pretty sure there's enough info on here that search would pull up all the info you need.

Nice mod to free up some ponies too!
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  #3  
Old 07-08-2012, 01:06 AM
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Default Re: Stop lights in Texas....hot!

anybody used this??

http://www.ebay.com/itm/FFD-HUMMER-H...459389#vi-desc
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  #4  
Old 07-08-2012, 01:20 AM
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Default Re: Stop lights in Texas....hot!

Or this one.

http://www.ebay.com/itm/CHEVROLET-CH...2b9fac&vxp=mtr

Are any of these compatible with an 04??
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  #5  
Old 07-08-2012, 04:28 PM
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Default Re: Stop lights in Texas....hot!

First link is just generic setups, not specific.

Second link might actually work, below it says it'll work on 06 Suburbans with the 6.0. I would assume its the same engine/radiator.

The main issue is the electrical, thermostat on/off, on with AC, etc.

I do have a bookmark to a website with the harness for sale. Let me find it and I'll post it up for you.

I've been wanting to do this since I bought mine a year ago, boggles my mind why they put a mechanical fan in these things.....
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  #6  
Old 07-08-2012, 05:42 PM
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Default Re: Stop lights in Texas....hot!

Quote:
Originally Posted by LoJac963
I've been wanting to do this since I bought mine a year ago, boggles my mind why they put a mechanical fan in these things.....

Agree. Seems so old fashioned. I think the Nelson harness is what everyone else uses. I'm just not sure if it works on the 04 as I've only seen info on the 05 and up.
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Old 07-08-2012, 05:53 PM
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Default Re: Stop lights in Texas....hot!

http://www.elcovaforums.com/forums/s...=Electric+fans

There's some info for ya

Looks like you're on the right track with the second eBay link you posted
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2006 HUMMER H2
MOOG Front End
Diablo InTune w/DiabLew Tune
Cognito Steering Support
OBX LT Headers
Air Raid Filter w/Tube
External Trans Cooler -Radiator Bypass
Corvette Servo
Rancho 9000 Adjustable Shocks-
Rancho Steering Stabilizer
20" Chrome Fuel Hostage - Cooper ST Maxx
Slotted Rotors/Ceramic pads/Steel Lines
Viper Smart Start
iPod/Video Interface
HID Head and Fog Lights
Optima Red Top w/ Priority Start Cut Off Mod

Last edited by pdxrealtor : 07-08-2012 at 05:59 PM.
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  #8  
Old 07-08-2012, 06:07 PM
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Default Re: Stop lights in Texas....hot!

Quote:
Originally Posted by pdxrealtor
Looks like you're on the right track with the second eBay link you posted

Yeah so far seems like the way to go. Just want as much info as possible before I attempt this.
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  #9  
Old 07-09-2012, 12:37 AM
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Default Re: Stop lights in Texas....hot!

yes Nelson performance is who I was referring to. I just looked at the harness and I didn't see a year range, all it says it works with LS1/LT1 style fans.....

I have never looked into it a lot but it has been something I really want to do. I figured between the two of us we could drum up some info.
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  #10  
Old 07-09-2012, 12:24 PM
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Default Re: Stop lights in Texas....hot!

I think we've bout got all we need. Now just need to get the parts.
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  #11  
Old 07-18-2012, 11:58 PM
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Default Re: Stop lights in Texas....hot!

Do you know how to test a fan clutch to see if its even working properly?

Have you even gone through any high engine temp diagnostics?

Hate to see someone waste their money and not fix the issue at hand.
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  #12  
Old 07-19-2012, 12:15 AM
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Default Re: Stop lights in Texas....hot!

Quote:
Originally Posted by [__--MUD--__]
Do you know how to test a fan clutch to see if its even working properly?

Have you even gone through any high engine temp diagnostics?

Hate to see someone waste their money and not fix the issue at hand.
FIRST THING I WOULD CHECK .
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  #13  
Old 07-19-2012, 12:18 AM
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Default Re: Stop lights in Texas....hot!

Fan clutch is good. That's what i thought it was at first. Everything works fine until im sitting at idle. Engine temp climbs, ac gets warm. As soon as I take off or rev the engine it cools down.

Wish the h2's ac worked like my vettes! Need a damn blanket for it.

Last edited by ryaleon : 07-19-2012 at 12:22 AM.
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