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#1
09-19-2007, 02:48 AM
Hummer Authority
Join Date: Sep 2005
Location: Texas
Posts: 1,795
Those with 2500HD Electric fan conversions
Hi, can someone who has done the upgrade from manual fan to the GM truck 250HD electric fans please post some pics? I am most interested in the modification done to the shroud for the oil cooler lines and any other customization that was required. Thanks you!
#2
09-20-2007, 12:50 AM
Hummer Messiah
Join Date: Apr 2003
Location: Virginia Beach
Posts: 37,474
Re: Those with 2500HD Electric fan conversions
Sorry I don't have pics for you, but if you plan on wheeling with that setup, be sure to install an on/off switch in the cabin.
I didn't have one and shredded the fans at Paragon when I blasted through some water.
Went back to stock after that.
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"My reading of history convinces me that most bad government results from too much government."---Thomas Jefferson
#3
09-20-2007, 01:00 AM
Hummer Authority
Join Date: Sep 2005
Location: Texas
Posts: 1,795
Re: Those with 2500HD Electric fan conversions
Sounds as if the Nelson harness includes an option for manual off switch.
My Predator programmer supports temp off/on function, but i will need a custom map that enables pin-42 in oder for the ECM to control it. Their forum tech creates custom maps for the members with no hesitation, so I will be good to go.
#4
09-21-2007, 07:42 PM
Hummer Professional
Join Date: Aug 2006
Location: miami, Fl.
Posts: 286
Re: Those with 2500HD Electric fan conversions
I know for f-bodies there are manual electric fan switches...
When you say shredded, do you mean that the water short it out or you had some actual physical damage done to the fan assembly?
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