Electric Fan Install Write up (Taurus, Mark VII) - Page 10 - JeepForum.com
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Unread 06-09-2012, 06:52 AM   #136
YJ43
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Thanks Que! Let me know when you're in Chicago next, I owe you a few beers!

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Unread 07-07-2012, 02:29 PM   #137
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I seem to be having issues running this...I bought the $35 Hayden controller that has it's own built in relay...I had it just running through that on low speed for a little bit and it worked. Now I'm trying to wire in high-speed as well following the diagram on page 1. When I connect the controller similar to the diagram on page 1 to pin 86 on the low speed relay, I only get high speed...is this because I need to eliminate the extra low-speed relay that I've added and just use the one included in the controller? This probably isn't making sense, but this is the one I have:

http://www.haydenauto.com/New%20Prod...r/Content.aspx

The way that I have this set up is the orange wire going to pin 86 on another low speed relay and then the high speed wired up like the diagram on page 1...any thoughts as to what I'm doing wrong.
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Unread 07-07-2012, 03:51 PM   #138
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Figured it out...with that controller, you don't need another relay, just take the low speed wire to the ignition wire and then run the high speed on it's own higher amp relay to the wire on the high speed switch. I was trying to use another relay for the low speed, which isn't necessary (essentially 3 relays), if that makes any sense, lol.
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Unread 07-07-2012, 08:06 PM   #139
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That controller looks like it has a second relay for high speed. I'm glad you figured it out. When I did this back in 2007, there were no controllers like that.
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Unread 07-08-2012, 06:35 AM   #140
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With the low speed already turning the fan the high speed doesn't generate the 80 amps in rush so you just need to make sure the relay is rated for 40 amps. I still haven't needed to wire in the high speed on mine. The low speed moves enough air to cool it.
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Unread 07-08-2012, 08:38 AM   #141
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With the low speed already turning the fan the high speed doesn't generate the 80 amps in rush so you just need to make sure the relay is rated for 40 amps. I still haven't needed to wire in the high speed on mine. The low speed moves enough air to cool it.
Yeah, I've only had to use high speed a couple of times. Only on a steep grade, fully loaded.
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Unread 09-03-2012, 04:09 PM   #142
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can you just wire the fan straight to a toggle switch and cut it off and on with that? I looked through thred and didnt see anything that stood out.
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Unread 09-03-2012, 04:41 PM   #143
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No. It would seriously overload most switches
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Unread 09-03-2012, 10:10 PM   #144
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can you just wire the fan straight to a toggle switch and cut it off and on with that? I looked through thred and didnt see anything that stood out.
Like kjg26 said. You would at least have to run it through a relay also. But why would you want to do that? When I'm on the road, I have most of my attention on all those idiot drivers out there. When I'm on the trail, I'm looking at the next rock I'm going to climb. It only takes a few minutes of distraction, and you are overheating your engine. why would you want to risk that?
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Quote:
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Unread 11-28-2012, 07:48 PM   #145
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So, I'm sorry if this was expressed previously and I missed it but. I'm working on a little buggy type thing and if I wanted to set this up so so it just runs full time low with a on/off bypass. Could someone also give me the dimensions of the Taurus unit?
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Unread 03-15-2013, 06:08 AM   #146
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Has anyone done this Mod to a TJ/LJ 4.0?

What would be the disadvantages?

I see the advantage with water fording and what not.

Are there any other plusses to switching things out to an electric Fan on a 4.0?

Very good write up that looks easy to understand.
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Unread 03-15-2013, 06:32 AM   #147
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Quote:
Originally Posted by OldManTurbo View Post
Has anyone done this Mod to a TJ/LJ 4.0?

What would be the disadvantages?

I see the advantage with water fording and what not.

Are there any other plusses to switching things out to an electric Fan on a 4.0?

Very good write up that looks easy to understand.
Consider usuing a volvo relay if you do this. Much simpler IMHO
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Unread 03-15-2013, 06:42 AM   #148
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Quote:
Originally Posted by NHfireYJ View Post
Consider usuing a volvo relay if you do this. Much simpler IMHO
Good note to add to my list of info on this subject. Still not sure I want to do this as its pretty invasive. Im not finding a lot of TJ folks that have made this leap, but I'm not done looking around yet either.
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