Manual switch for rad fan - LotusTalk - The Lotus Cars Community
 
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post #1 of 5 (permalink) Old 10-09-2013, 03:38 AM Thread Starter
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Manual switch for rad fan

I am looking to install a manual toggle switch for my radiator fan on my elise 111s. One of my fans cuts in during start/stop traffic at about 106 degress celcius but i never seem to witness the other one cutting in. I believe it has something to do with the a/c. Can anybody tell me how to check the function of this fan or give me any information on wiring in a manual toggle switch so I could flick it on during traffic jams?
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post #2 of 5 (permalink) Old 10-10-2013, 09:29 AM
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The easiest way to see if your high speed fans come on is to turn on the ac. That should trigger the high speed for the fans. You can also turn on ac in traffic to kick in high speed cooling fans.

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post #3 of 5 (permalink) Old 10-10-2013, 08:58 PM Thread Starter
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Thanks for the reply mate, I have tried turning on the a/c once the engine is up to normal operating temperature and whilst stationary but neither fan cuts in.
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post #4 of 5 (permalink) Old 10-10-2013, 09:14 PM
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The way they did the fans, it will never start just a single fan.
Both fans should come on slow or both fans should come on fast, but either way... Both fans should be spinning.

I had a problem with my car, right after i fixed it, that one of the fans came unplugged. With only one fan on, the car would slowly overheat in stop and go traffic.

Easiest way I found to check them was to remove the front grill and use a mirror. With the engine running, turn on the AC and put the fan under the radiator and both fans should be spinning.

But here is a link to the answers to your original question.

https://www.lotustalk.com/forums/f313...estion-112899/

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post #5 of 5 (permalink) Old 10-13-2013, 02:42 PM Thread Starter
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Thanks mate, very helpful!
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