2007 2500HD 6.0. Surprisingly it came wih clutch fan. Swapped the 05 E-fans in. Have the Nelson harness from my 2002 2500. In the fuse panel on the fender, there are hi & lo fan relays already existing. There is also a fan control relay there as well. Since everything is there, has anyone used this to tie into the E-fans? I have been trying to contact nelson for over 3 weeks & have left several email & phone messages with no response. Any input would be helpful.
Scott
grsdup1@aol.com

 

What year is this truck?
Take a picture of what you are talking about in the fuse area. (This usually relieves any ambiguity from a text description)

 

You might call your local Chevy parts department and see if they have a pigtail that would go from the relay to the fans. It sounds like everything was already installed but the harness from the relays to the fans. However, you would probably still need a tune to turn on the fans through the PCM.

 

It came with the clutch fan cuz its setup for towing.

Should be as easy to convert as the NBS.

 

I just hate clutch fans. I know, they work well. My 02 had no problem w/overheating while towing with 05 e-fans and underdrive pulley. I'm getting the truck tuned very soon. Gonna hit the salvage yard & see if I can find the setup from 07-up. I just wasnt sure if the existing relays are powered or just sitting in the fuse box. I havent taken the fuse box off to look under it yet. Was hoping someone else had done this already before I start pulling stuff apart. Thanks for your help. Scott