ford taurus electric fan wiring is this correct?

[godrifttoday]

ford taurus electric fan wiring is this correct? using the 2 speed fan (3 wire) but only activating the high speed setting is my diagrahm correct?
now im using only head lights, rear tail lights and wipers in the car and everything to make the motor start should i upgrade my alternator? the fan pulls 40 amps, any suggestions?

91 240sx

http://i48.tinypic.com/330d5iv.jpg

[ericcastro]

iirc
the low speed is 20amp
high is 50 amp
i ran the black wire to metal as its the ground.
i ran the low speed through a relay that i had extra.
its hooked to the batterey and then the relay also runs to a switch inside.
i have it hooked up so the fan is on when the car is, but i can turn it off inside.

im in WA and nowhere near my car, otherwise i would run outside and look.

But i do know that i didnt hook up the high speed because of how much money a 50 amp fuse is.

[godrifttoday]

i do not want to run a switch inside the cabin i just wanted to be activated by the aftermarket temp sensor

[ericcastro]

then i think your wiring is right.
your amps might be off.
its been 2 years since i was looking at this stuff though.

And being a DOHC, you can actually run it through your AC fan or something so that the high power comes on when your car gets really hot.

I have heard that the high power is to much to have on all the time and will keep your engine to cool and never let it properly warm up.
its also very load i heard.


I do love the extra room without a clutch fan :)

[Om1kron]

my car is overcooled... the high speed isn't even necessary.

[godrifttoday]

then i think your wiring is right.
your amps might be off.
its been 2 years since i was looking at this stuff though.

And being a DOHC, you can actually run it through your AC fan or something so that the high power comes on when your car gets really hot.

I have heard that the high power is to much to have on all the time and will keep your engine to cool and never let it properly warm up.
its also very load i heard.


I do love the extra room without a clutch fan :)

haha, well now im doing the same. but i wont be running any additional wiring , and i too will love the extra room



my car is overcooled... the high speed isn't even necessary.

With Taurus fan, correct? I remember you posting up a diagram but utilizing stock wiring... i believe u have the 2 relays to run either or right? Does it ever come on high? Regardless, it would be the same wiring if it was low speed or high speed, and different size relay. I just want to make sure wiring is cool... do u recommend just to set it up on the low setting and thus not having to upgrade alternator?

[g6civcx]

Incorrect. Put battery current on pin 85.

The way you have it will never work because no current is going across pins 85/86.

And about the temp sensor. At 180, does the sensor connect or disconnect the two sensor pins?

[gsracer]

up your gauge of wire my brand new taurus fan melted 14 gauge on the high speed, no i run 10 gauge to it. no problems yet....

[godrifttoday]

Incorrect. Put battery current on pin 85.

The way you have it will never work because no current is going across pins 85/86.

And about the temp sensor. At 180, does the sensor connect or disconnect the two sensor pins?

im not to sure im assuming it ground's its self.
from my understanding relay work like so

85 ground for relay
86 power lead from switch
87 power lead for relay
30 power lead from battery

correct me if im wrong?


like this?
http://i47.tinypic.com/34reovr.jpg

[g6civcx]

You don't listen.

Put battery current on pin 85.

Keep everything the way it was in your first post. Put battery current on pin 85. Take ground away from pin 85. Keep battery current on 30.

Go to Google and search standard relays. Read and understand what a relay does and how it works.

Now you know why I ask for a lot of money to design circuits.

[godrifttoday]

lets try this again, i though u do investments? or you do electrical on the side?
http://i47.tinypic.com/dg178.jpg

[codyace]

lets try this again, i though u do investments? or you do electrical on the side?
http://i47.tinypic.com/dg178.jpg

Your drawing above has no ground circuit on the relay. If you have power going into 30 (correct), you can't also hoave power going to 86 and 85, as that is what needs to have a single power (switched) and single ground. 87 is correct, as it's an output.

As Gsracer said above, make sure you have decent wires.

87 output to fans
85 ground for relay
30 input from battery
86 switched power from sender

that's all you need

[g6civcx]

Your drawing above has no ground circuit on the relay. If you have power going into 30 (correct), you can't also hoave power going to 86 and 85, as that is what needs to have a single power (switched) and single ground. 87 is correct, as it's an output.

As Gsracer said above, make sure you have decent wires.

87 output to fans
85 ground for relay
30 input from battery
86 switched power from sender

that's all you need

Don't confuse him any more than where he is. I'll talk about your comments after we figure this out.

Before I confirm or refute your drawing, what does the temp sensor do?

At 180, are the 2 pins connected or open? You never answered my question.

[240sxvaj]

i am currently working on this and is gonna finish it up tomorrow. the wiring starts tomorrow but now i am confused on the wiring, since i am gonna use a switch to turn it on and off.

[godrifttoday]

If I'm correct we are wiring it this way for the fan to work even when the car is turned off and just activated by sensor?

This is the sensor
Painless Wiring 30111 - Painless Performance Electric Fan Thermostats - Overview - SummitRacing.com (http://www.summitracing.com/parts/PRF-30111/)

sensor is in transit so I'm assuming Its open

[g6civcx]

If I understand correctly, when rising to 185, the 2pins are closed until the temps come back below 175.

Your most recent diagram is correct for functionality. Just make sure you upgrade the wire gauge.

[godrifttoday]

Thanks for the confirmation

[Om1kron]

With Taurus fan, correct? I remember you posting up a diagram but utilizing stock wiring...

I utilized the stock body harness to run the wiring, however I have a toggle running to the fan. I normally drive the car with it off until it hits about 80 or 90 degree's celcius, as soon as I turn it on my temp drops to 70c...

That's just the low speed. I don't have a 50amp relay so I didn't wire up the high speed. I eventually will get a timed relay or a power FC which will handle turning the fan on and off, for now the toggle is fine with me.

But if you run a thermoswitch... that would be ideal. I have a wiring diagram, but in the end I still had to tweak mine a bit due to my switch.

[codyace]

I'm just lazy

Altima fans, both on high. One's on full time, and the other with a 175* Derale switch. Works good. No issues getting to temp either, never gets hot as well.

[codyace]

Don't confuse him any more than where he is. I'll talk about your comments after we figure this out.

Before I confirm or refute your drawing, what does the temp sensor do?

At 180, are the 2 pins connected or open? You never answered my question.


Haha, to much Eggnog for me when i wrote that...I wasn't paying attention to the fan switch being a ground output.