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Discussion Starter #1
Can anyone tell me where the fan switch is so I can buy one of those lower operating themostatic switches. I dont like how warm it runs when racing at the strip. I would like to make the fan come on earlier?
 

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2004 ZX-10R
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The fan is operated by the ECU according to the signal sent by the water temp. sensor (which is located behind the cylinder head).

If you want to drive the fan in the old fashion style you have to weld a bung to the radiator and fit a temperature activated fan switch.
 

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inappropriate
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or just throw a switch in leu with the harness and jumper it to the battery. theres also a clean $80 unit that will mount right to your triple called xc boost or something
 

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Discussion Starter #4
Thanks for the 411 i will look at that kit I think I have seen them on e-bay. I may just wire it direct with a toggle switch.
 

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inappropriate
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that's what I was thinking about doing but I like the idea of a thermostat covering my @ss too...I'm no electrician but I'm pretty sure you could parrallel them (a harness for the switch in leu with the themo harness)?
 

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If I don´t recall wrong the + lead is permanent to the fan, and the switch (whichever) goes on the neg.

**EDIT** Looked at the fan circuit in the service manual and its the opposite way: Negative is permanent and the toggle switch (or thermostatic) goes on the POSITIVE lead.
 

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Sounds like a good "how-to" in the works. Take some pics and post them with tips :thumbsup
 

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Discussion Starter #8
kool thanks for your help guys. I will take pics when I do this, my bike plastics are being painted now so I cant ride anyway
 

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hi,have a look in the how-to's section 2nd page, as there is a piece on fitting a manual fan switch..i done it on my 06 and it works a treat!just make sure you use a good two pin switch(metal not plastic),when in traffic i flick it on and it never goes over 85 'c.
 
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