I use 02 Stratus fans from the V6, perfect fit!
Which one? There is the R/T which uses the 00-05 Eclipse setup, and then there is the 2.5L V6 as well, different setup.
I just picked up a set of these and jumped on Alldata to look up the 04 Intrepid schematics for the fans. There are 4 pages in this PDF which includes the parameters for each fan turning on.
http://www.austinareastangs.com/beav/04IntrepidFanDocs.pdf
I plan on using an Arduino and one of our driver boards ( http://pinballcontrollers.com/index.php/products/driver-boards/master ) to run a custom algorithm that will take signals from the coolant temp sensor (for the gauge), speed sensor, and AC on/off switch and control these. I will probably just run a single signal out to run both fans at the same time when the conditions are met.
Maybe try this: http://www.ebay.com/itm/RADIATOR-FA...r_Truck_Parts_Accessories&hash=item3a839f8cd7 I had it on the Ty with the Intrepid fan until the fan crapped out, I put the stock setup back in and never got around to putting it back in. Now I have it in my Jeep and it works great. Its really cool because it slowly ramps up the fans. Everyone I show how it works thinks its awesome. The seller is in the next town over, so that's even better.