Need a little efan help

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07-25-2014, 11:02 PM

#21

jollyroger331

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Quote:

Originally Posted by ibd2328

You could wire it up with relays if you wanted too.

That's what I used for my high speed a/c switch.

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07-25-2014, 11:06 PM

#22

ibd2328

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Quote:

Originally Posted by jollyroger331

That's what I used for my high speed a/c switch.

I mean wire it up to the cht with momentary to constant.

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07-25-2014, 11:21 PM

#23

jollyroger331

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Quote:

Originally Posted by ibd2328

I mean wire it up to the cht with momentary to constant.

English IBD English.

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07-25-2014, 11:32 PM

#24

ibd2328

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Quote:

Originally Posted by jollyroger331

English IBD English.

At operating temp the cht wire goes from voltage to .0v so it's practically a ground. You could wire both fans to come on when that happens

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07-26-2014, 10:46 AM

#25

jollyroger331

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Quote:

Originally Posted by ibd2328

At operating temp the cht wire goes from voltage to .0v so it's practically a ground. You could wire both fans to come on when that happens

What is the cht? I'm not very good with electrical, but I can follow instructions and always prefer the best option.

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07-26-2014, 11:05 AM

#26

Z7What

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CHT = Cylinder Head Temp

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07-26-2014, 12:30 PM

#27

blupupher

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Quote:

Originally Posted by ibd2328

At operating temp the cht wire goes from voltage to .0v so it's practically a ground. You could wire both fans to come on when that happens

So you could wire it with relays so that 1 fan comes on with the A/C and 1 when the CHT signals it?
Where is this CHT wire?

Also, if you have a single 2 speed fan, could you set it so that low speed comes on with one and high speed with the other (like low speed is for temp sense and high speed is A/C)?

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07-26-2014, 12:55 PM

#28

ibd2328

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Quote:

Originally Posted by blupupher

So you could wire it with relays so that 1 fan comes on with the A/C and 1 when the CHT signals it? Where is this CHT wire? Also, if you have a single 2 speed fan, could you set it so that low speed comes on with one and high speed with the other (like low speed is for temp sense and high speed is A/C)?

Yeah

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07-26-2014, 01:36 PM

#29

jollyroger331

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Quote:

Originally Posted by blupupher

So you could wire it with relays so that 1 fan comes on with the A/C and 1 when the CHT signals it? Where is this CHT wire? Also, if you have a single 2 speed fan, could you set it so that low speed comes on with one and high speed with the other (like low speed is for temp sense and high speed is A/C)?

that is how mine is wired, using a relay as a switch for when you turn on the a/c.

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