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undesiredshoe
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 07 Feb 2006
Posts: 1759
Location: Sheboygan, WI
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 Posted: Sun Apr 15, 2007 9:39 pm Post subject: Altima Fan Setup |
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I have some altima fans that im going to put on soon and i was reading up on ways on how to wire it up. Theres the manual switch method, the "On when ignition ON" method, and the thermo switch method. I like the thermoswitch method the most, so i was wondering if i could do something like this...
Its kinda messy but ill explain it
Since each fan has 2 speeds, i want to wire both fans to come on at low speed and both to come on at high speed. The low speed would be connected using a relay. The relay switch would start at the ACC and through the relay, then through a thermoswitch. Then the 12V would come from the battery and split into two wires to power both fans on low speed.
The high speed circuit would come from the AC Fan Plug. The positive wire would split into two wires and connect to the other positive on the fan and be grounded.
If this would work, then the low speed would come on at 180* and stop at 170* via the thermoswitch and just incase the low speed isnt enough, the high speed would come on at around 200* via the ecu's AC control thing and hopefully stop at around 180* for the low speed to take over again.
Sorry if this is really basic stuff but i just want to get your guys opinions
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 Stock block ka24e - 12.81 @ 113mph |
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ZiG
Dont Question My Nissan Knowledge
Joined: 18 Sep 2006
Posts: 583
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| Posted: Sun Apr 15, 2007 10:56 pm Post subject: |
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Looks good to me, I guess. But actually, I would just not bother with the 2 speed thing at all. See this writeup http://forums.nicoclub.com/zerothread?id=242522
If you insist on using the low and high speeds, reverse them so that the ac turns them on low and the thermo switch turns them on high. Think about it, your engine will need more cooling than your ac condenser.. Unless you live on the sun or something... |
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undesiredshoe
Belongs To The TOP CONTRIBUTING MEMBERS!
Joined: 07 Feb 2006
Posts: 1759
Location: Sheboygan, WI
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| Posted: Sun Apr 15, 2007 11:00 pm Post subject: |
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well from what ive read, the two positives are really the same thing. If power is applied to one positive, then its on low, once power is applied to the other positive, then the fan is on high. So even if i reverse the wires, its the same thing. Someone correct me if im wrong
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Stock block ka24e - 12.81 @ 113mph |
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ZiG
Dont Question My Nissan Knowledge
Joined: 18 Sep 2006
Posts: 583
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| Posted: Mon Apr 16, 2007 6:13 am Post subject: |
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| Maybe. Try it and see. If that is indeed the case, I still say just use it on full speed all the time. Of course you could also get fancy with some diodes and connect only one wire from each to the AC... |
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