Thread: Ford Taurus fan..

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  1. #226 Re: Ford Taurus fan.. 
    Senior Member grandmaster's Avatar
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    Been a while since anyone has posted on this thread....I'm about to do this and need a little help.

    Iv'e read through the whole thing and can't seem to get a straight answer. I'm going to use a 40amp relay for the low power setting on the fan, I got that much.


    It's going to go to a 3 way toggle. On-off-on. My question is what has worked best for the high side of the relay?? I can't seem to find an 80amp at the parts store I work at. and can only find a select few online. It seems like people had problems with the ford starting solinoid. Can someone please straighten me out on what to get here. Thanks in advance.
     

  2. #227 Re: Ford Taurus fan.. 
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    I use two relays....one 30 amp relay that toggles the fan on/off. and the other that toggles between low/high. This gives me two toggle switches, on/off and low/high. I prefer it this way so I am able to turn the fan on/off if needed.

    I run the fan on high 99% of the time and never had any issues. I also run the larger 30 amp fuse (not the flat style). Never had an issue there either.
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  3. #228 Re: Ford Taurus fan.. 
    Senior Member Ken L's Avatar
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    A Ford starting solenoid is not continuous duty, so that's why it burns out on the high side of the fan. I went thru the parts list at my NAPA store and found a continuous duty solenoid, I believe it was from a winch or a snow plow. Solenoids like that are big relays anyway. Works without a hitch. I use an on-off-on switch (forget what they are called, DPDT?) to control both low and high speeds with one switch.
    Ken L
    '96 ZJ with stuff
     

  4. #229 Re: Ford Taurus fan.. 
    Senior Member dp96zj's Avatar
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    There was a lengthy discussion in my build thread a while back.

    http://www.mallcrawlin.com/forum//sh...562#post292562

    FWIW, I've got a 40a relay on the high side, 30a on the low side. So far, it's been trouble free.

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  5. #230 Re: Ford Taurus fan.. 
    Senior Member grandmaster's Avatar
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    Quote Originally Posted by CrawlerReady View Post
    I use two relays....one 30 amp relay that toggles the fan on/off. and the other that toggles between low/high. This gives me two toggle switches, on/off and low/high. I prefer it this way so I am able to turn the fan on/off if needed.

    I run the fan on high 99% of the time and never had any issues. I also run the larger 30 amp fuse (not the flat style). Never had an issue there either.
    So you running 2 toggles will do the same thing as me running 1 toggle that is 3 way.... low-off-high. I just get confused at how to wire with relays...it's a new concept to me.

    Quote Originally Posted by Ken L View Post
    A Ford starting solenoid is not continuous duty, so that's why it burns out on the high side of the fan. I went thru the parts list at my NAPA store and found a continuous duty solenoid, I believe it was from a winch or a snow plow. Solenoids like that are big relays anyway. Works without a hitch. I use an on-off-on switch (forget what they are called, DPDT?) to control both low and high speeds with one switch.
    That's the route I will be going too.

    Quote Originally Posted by dp96zj View Post
    There was a lengthy discussion in my build thread a while back.

    http://www.mallcrawlin.com/forum//sh...562#post292562

    FWIW, I've got a 40a relay on the high side, 30a on the low side. So far, it's been trouble free.
    Thanks for the link. I'm not running mine to my ignition or to a temp switch. Anyone have a wiring diagram on how to do it with the 2 relays and 1 toggle. I've done countless searches (maybe i'm dumb) but just can't find the way I want to wire it.
     

  6. #231 Re: Ford Taurus fan.. 
    Member xtremzj's Avatar
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    mega bump. Im looking to do the same fan mod. Im sick of this thing over heating. The junkyard has a 5.9 hood and fan so i might pick them both up.
    98 GC 4.0 BORED .60, 4.7 stroker, rustys 4.5 custom lift, fastman tb, oba, 33 swampers this that and whatknot...

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    run over a HONDA its your CIVIC duty!

    My jeep won the war, your honda mows my lawn.
     

  7. #232 Re: Ford Taurus fan.. 
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    Bookmarked for reference, thanks for all the good info guys

    Dave
     

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