New programable fan control
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Originally Posted by pws69
Yes, you can! Just wire the Spal controller to the PRIMARY fan (you decide which is PRIMARY - I haven't determined whether one is a better choice than the other!). Plug the RELAY harness into the SECONDARY fan. The SENSE line (attached to the RELAY) you now have on the temp sensor will go to the "Second fan" output on the controller. The controller SENSE line will connect to the temp sensor. That's it.
Drifting
Joined: Nov 2002
Posts: 1,665
Likes: 1
From: Ontario
Originally Posted by 427V8
[geek]...so the frequency doesn't change then does it?? It just changes the percentage of on time per cycle??[/geek]
