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Hello
Dodge Dakota
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4/21/2004
22:45:11
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 Subject: RE: Electric Fan Thermostat
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Hello again
Dodge Dakota
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4/21/2004
22:50:49
|  RE: Electric Fan Thermostat
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https://www.dodgedakota.net/boards/per/9370.html
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hi
Dodge Dakota
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4/21/2004
23:27:19
| RE: Electric Fan Thermostat
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the black magic 150 thermostats suck !
they never turn on the fan, i've gone through 3 of them and talked with both techs at flex a lite about it and they don't have a solution either
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dakfan
Dodge Dakota
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4/23/2004
10:08:11
| RE: Electric Fan Thermostat
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how can i wire my two 14 inch eletric fans to run at all times without having to hit a switch (or two) whenever i start it. i wanna run it through the fuse box, but i dont know where to wire it from
please email me at RASAIC324@hotmail.com if you can tell me how.
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dakfan
Dodge Dakota
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4/23/2004
10:12:18
| RE: Electric Fan Thermostat
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i bought the truck w/o the owners manual, and i dont know how to wire them so they start w/ the ignition
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hi
Dodge Dakota
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4/23/2004
12:28:31
| RE: Electric Fan Thermostat
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using a voltmeter find a fuse which gets power only when the
ignition is on and running then tap into the line and fuse your
tap separately and close to where you make the tap
it would be better if you can find an unused circuit that gets
power only with ignition on, my 99 had this
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DSW
Dodge Dakota
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4/23/2004
16:16:25
| RE: Electric Fan Thermostat
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>Posted this under another thread, but it fits better here.<
You don't want the fans running all the time as they will suck a lot of power, create a lot of noise and shorten the life of the fans. Also, once you get going about 45MPH ram air should be enough to cool the engine and the fans don't need to be running. I had a dual fan setup on a hot rod and had to hot wire the fans to run all the time one day, I fixed it realy quick since I didn't like the fan noise all the time.
The best way to run the fans is to run 2 thermostatic fan controllers, one set to 185-190 degrees and the other one set to 190-200 degrees, or what ever combination is a little hotter then your coolant thermostat like 195-200 and 200-210 for a 190 degree cooolant thermostat. This way your not running the single fan unless the engine needs a little cooling and your not running both fans unless the engine needs a lot of cooling .
Your sitting at a traffic light in August and the engine starts to warm up so the first fan kicks on at 195, it's a real long light and the pavements sizzeling, so the second fan kicks on at 200 since the first fan couldn't flow enough air to cool the engine.
If you want to run them both all the time anyway, just connect a relay to a spot in the fuse box that gets power only when the engine is running, not accessory or battery.
>Make sure you use heavy guage wire since the fans won't run at max speed and draw max air if undersized wire is used. Best way to check the fans are getting full power is to check the voltage at the fan when the truck and fans are running, and then at the battery. The readings should be close, if the battery voltage is at 14V and the fans are at 12.5V your dropping power to the fans, find a power source closer to the battery and/or check the ground.<
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