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Thread: Temperature Switch for Electric Fan Install

  1. #1

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    Temperature Switch for Electric Fan Install

    Do the 2.4's have a temperature switch? i see 3 going into the thermostat housing, but it seems they are all "sensors" and not open/closed switches. I plan on hard wiring on a key hot until i figure it out. Just didn't want to add more switches/sensors if i don't need to. Any help is appreciated

    1. Does anyone know if i can tap any of these to for an open/closed circuit?
    2. What are all these for? (i figured one is for the gauge and another for the computer, not sure what the 3rd is for...
    3. Is there a wire in the computer i can use as a source?
    20190901_122144.jpg20190901_122150.jpg

  2. #2

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    Take a look at this https://www.flex-a-lite.com/electric-fans.html
    Several of those fans come with an adjustable thermostatic controller. There are other brands of fan and thermostatic switches you can attach to the fins to control whatever fan you may already have.

  3. #3

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    pharmorjawn,

    -A/C lines below the distributor in Your first pic?
    -Sport dash with tach?

    TIA.

  4. #4

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    Quote Originally Posted by claych View Post
    pharmorjawn,

    -A/C lines below the distributor in Your first pic?
    -Sport dash with tach?

    TIA.
    Yes those are A/C lines and it is a sport model. You want need a cluster with a tach?

  5. #5

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    -A/C lines below the distributor in Your first pic?
    -Sport dash with tach?
    how can u tell sport dash with tach, from that photo ? U guys r good

  6. #6

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    clutch fans work very well. What's the problem ?

    You're gonna b adding relay/fuse/wiring anyway with an electric fan.... so what's a sensor wire ?


    once u find the appropriate spot somewhere along the cooling route, u can screw in some oem or aftermarket fan sensor with a pre-set temperature


    I've used this simple type of adj sensor before http://www.amazon.com/dp/B01E52O5DG ~$15 back then
    probe was either radiator fin type or clamped into top radiator hose. Worked well


    Hayden also used to make an adj sensor/relay kit for dual fans.
    Main fan came on 1st, 2nd fan at higher temp or with AC compressor. Worked excellent. $30. Don't c em anymore tho

  7. #7

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    Quote Originally Posted by PharmorJawn
    Yes those are A/C lines and it is a sport model. You want need a cluster with a tach?

    ???? 10 posts ????

  8. #8

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    Quote Originally Posted by claych View Post
    ???? 10 posts ????
    ???? 230 posts ????

    not sure where this is going lol

  9. #9

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    Quote Originally Posted by dash View Post
    clutch fans work very well. What's the problem ?
    Fan clutch was broken and electric fan i got was only $10 more than a replacement clutch.

    Also, i just wanted to something to my truck

  10. #10

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    Just to close this out....

    i was able to replace the sensor in the first pic with a temp switch since my ac switch is broken and i had to bypass it a while ago. Electric fan works great after upgrading my alternator to one out of a Mitsubishi van.
    20190913_183550.jpg

  11. #11

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    good job!
    which mitsu van & year u got alternator upgrade from ? V-belt or ribbed pulley ?

  12. #12

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    Quote Originally Posted by dash View Post
    good job!
    which mitsu van & year u got alternator upgrade from ? V-belt or ribbed pulley ?
    87-90 . its a v belt pulley, direct bolt on replacement. 75 amp vs the stock 45 amp.

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