help: cooling fans
....gas saving and engine cooling purposes...
Registered User
Joined: Sep 2003
Posts: 171
go to radio shack and get a 4 pole relay- 5 pole if you want both fans to run.run a heavy gauge wire to the main fan motor then to the switch side of the relay.then on the other switch side of relay to power source,making sure to use a inline fuse(20)amp.on the coil side of the relay run another hot wire with inline fuse to it.one pole left on relay which will be your ground leg that you put to a switch of your choice and then to ground.see what you could find for a timer.this would keep your battery happy.on the main fan splice a hot from relay switch to the white/blue wire.sub fan splice a hot to the yellow/red wire.
Last edited by SUBARU_TECH; Sep 17, 2003 at 04:39 PM.
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Posts: n/a
Originally posted by SUBARU_TECH
why-id be happy to show you how and provide the diagram and how to do it-but why would you do it-when the thermal switch does it for you at the correct temp.
why-id be happy to show you how and provide the diagram and how to do it-but why would you do it-when the thermal switch does it for you at the correct temp.
I think I have a bunk thermal switch! If I run hard and then stop and idle for a few minutes the temp will rise close to red, but i never let it i just turn on the a/c and the fans come on and cool the motor to normal. Any one else experience this?
-js
Guest
Posts: n/a
Originally posted by SUBARU_TECH
go to radio shack and get a 4 pole relay- 5 pole if you want both fans to run.run a heavy gauge wire to the main fan motor then to the switch side of the relay.then on the other switch side of relay to power source,making sure to use a inline fuse(20)amp.on the coil side of the relay run another hot wire with inline fuse to it.one pole left on relay which will be your ground leg that you put to a switch of your choice and then to ground.see what you could find for a timer.this would keep your battery happy.on the main fan splice a hot from relay switch to the white/blue wire.sub fan splice a hot to the yellow/red wire.
go to radio shack and get a 4 pole relay- 5 pole if you want both fans to run.run a heavy gauge wire to the main fan motor then to the switch side of the relay.then on the other switch side of relay to power source,making sure to use a inline fuse(20)amp.on the coil side of the relay run another hot wire with inline fuse to it.one pole left on relay which will be your ground leg that you put to a switch of your choice and then to ground.see what you could find for a timer.this would keep your battery happy.on the main fan splice a hot from relay switch to the white/blue wire.sub fan splice a hot to the yellow/red wire.
-js
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Joined: Dec 2002
Posts: 4,568
From: Rockland County...NY
Car Info: want a WRX
i dont think its worth it doing all that work. dude just let ur car idle for a bit or baby it after a hard run aofr a few minutes. its not THAT much gas man. thats just IMO