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Automotive electricity

12V Relay does not work.

Andres m2016
hace 5 años
hace 5 años
Good morning ... sorry that I had to open another question ... but it was very long ... my problem is that I have a 12volt relay of the electric fan of a ford fiesta..and I want to know if it's ok or not .. I measured the relay coils and gave me 99homs..contact 1 and 2. I energize it with 12 volt..and it makes the characteristic noise of how when elvrele commutes..ese "click" .. and when measuring 3 and 5 it gives me continuity with beep and measures 2.5 homs .. the issue is that not energizing it with 12 volt, contact 3 and 5 gives me the same continuity ... it's like it never changes state ... since thank you very much ... and I would like to know if I have to change the relay or not !!
charly48
charly48
1.712
hace 5 años

Andrés, I'm glad you could solve it, for the next one keep in mind to follow your theme with the same thread, without dividing it into three parts like this, that way whoever has a similar problem will have the whole issue in one title, greetings .
Note: to round off the task it would be convenient that as it is a car with its years and that perhaps the maintenance of the coolant was not the best, take out the blue sensor to clean it, sometimes the internal face, which is the one that reads the temperature dirty and delays the start of the electro, I don't know if you have such a large wrench (30mm)

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charly48
charly48
1.712
hace 5 años
hace 5 años
I did not receive a response notice in the other post you did and I thought you had solved it, bypass the relay socket as the photo marks first checking if there is 12v at 30 and by doubts leave the blue sensor socket also bridged, if this mode starts change the relay. Note: Relay sure that you are testing is that of the electro rele 5patas.jpg [77.23kb]
Andres m2016
hace 5 años

Excuse me charly..but it doesn't have those numbers..It has 1.2.3.4 and 5.

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Andres m2016
hace 5 años

Yes ... I think that is ... because the electro and sensor cables arrive!

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charly48
charly48
1.712
hace 5 años

Andrés, try to use common sense, I did not talk about 12345, this is the same as: 30, 85, 86, 87 and 87a, I put a picture of a similar relay because I did not find one marked as yours and for you see the figurative position of the pins to be bridged, observe carefully looking at the photo and you cannot err.

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Andres m2016
hace 5 años

Charly..thanks for your help ... I can find out what the problem is .. I posed the temperature sensor and opened the relay… pin 30 was 3.and pin 87 was 5.and I just get in touch it activates the electro ..
I will change the relay ... and then I will verify if the electrode is activated when it reaches the temperature of 97 degrees so that it would be the right way! Thanks again for your patience!

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