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99-00 Civic Si (EM1) Radiator Fan Wiring Question

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Old 07-13-2011, 02:56 PM
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Default 99-00 Civic Si (EM1) Radiator Fan Wiring Question

On the harness, where would I find the wire for the radiator fan? What color is it? Anyone have a picture?

I just got my project back from the shop but I want to verify the fan is wired and kicking on. I haven't driven it enough to check but I want to tonight.
Old 07-15-2011, 01:12 AM
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Default Re: 99-00 Civic Si (EM1) Radiator Fan Wiring Question

ttt
Old 07-15-2011, 07:00 AM
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Default Re: 99-00 Civic Si (EM1) Radiator Fan Wiring Question

For testing purposes, use a jumper wire to short the 2P fan switch connector on the thermostat housing. The fan should run continuously when the key is in ON(II). This will tell you whether the fan is wired correctly.

Last edited by Former User; 07-15-2011 at 10:15 AM.
Old 07-15-2011, 09:58 AM
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Default Re: 99-00 Civic Si (EM1) Radiator Fan Wiring Question

ah i forgot about that - thanks!

will update later tonight
Old 08-17-2011, 06:19 AM
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Default Re: 99-00 Civic Si (EM1) Radiator Fan Wiring Question

Originally Posted by LOVEthatDC2
On the harness, where would I find the wire for the radiator fan? What color is it? Anyone have a picture?

I just got my project back from the shop but I want to verify the fan is wired and kicking on. I haven't driven it enough to check but I want to tonight.
i would like to know the answer for this. my fan is hooked up direct connect, once the key is turn to on, da fan turns on and stay on forever till i turn the key to off......

i hear that fan not working will overheat your car but in my case my fan stays on 24 7 until i turn the key to off, i heard that having the fan on all day is also not good.

i have a fully built Ls all motor i just put in and didnt even start it yet,

so please if any1 have the wiring for the fan switch and what color are they.

i bought the car like this so i dont know where the original wire is at.

thanks.....im not trying to steal thread but just trying to consume some good info from ya haha thanks again
Old 08-17-2011, 06:45 AM
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Default Re: 99-00 Civic Si (EM1) Radiator Fan Wiring Question

Originally Posted by eg6 fAwkVtec
i would like to know the answer for this. my fan is hooked up direct connect, once the key is turn to on, da fan turns on and stay on forever till i turn the key to off......

i hear that fan not working will overheat your car but in my case my fan stays on 24 7 until i turn the key to off, i heard that having the fan on all day is also not good.

i have a fully built Ls all motor i just put in and didnt even start it yet,

so please if any1 have the wiring for the fan switch and what color are they.

i bought the car like this so i dont know where the original wire is at.

thanks.....im not trying to steal thread but just trying to consume some good info from ya haha thanks again
Car, year, engine?
Old 08-17-2011, 10:03 AM
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Default Re: 99-00 Civic Si (EM1) Radiator Fan Wiring Question

Check the connector that should be on the thermostat housing someone might have already jumped it and left it like that. Does the fan motor have suspicious wires running to it?
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