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Thread: fitting aux water temp gauge

  
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    fitting aux water temp gauge

    hi there
    i have fitted the water temp gauge and put the sender unit into one of the water pipes from the rad and connected the live and earth as per diag but the gauge does not appear to work even after running the engine, the gauge has 3 terminals on the back
    has anyone a pic of one wired in as i unable to make it work
    Ivanm

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    Quote Originally Posted by ivanm View Post
    hi there
    i have fitted the water temp gauge and put the sender unit into one of the water pipes from the rad and connected the live and earth as per diag but the gauge does not appear to work even after running the engine, the gauge has 3 terminals on the back
    has anyone a pic of one wired in as i unable to make it work
    Ivanm
    can anyone help as i have spent more time out in the cold and still cant make it move, on the wirring diagram it looks like you earth the sender but when i do this it just makes the gauge go off the scale so it looks like it works but not by the engine getting hot
    Ivanm

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    Try posting the diagrams you have for the guage and sender unit
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
    Located in N/W London HA3, and willing to travel within reason





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    Quote Originally Posted by Autosparks View Post
    Try posting the diagrams you have for the guage and sender unit
    hi auto sparks
    hope you can help sorry the pic is not great
    Ivan



    http://img84.imageshack.us/img84/88

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    Quote Originally Posted by ivanm View Post
    hi autoo sparks
    hope you can help sorry the pic is not great
    Ivan



    http://img84.imageshack.us/img84/88
    http://yfrog.com/2cdscn1883gj

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    So power to the guage on pin "A"
    Earth to the guage on pin "B"
    Sender to the guage on pin"C"

    Sender has a earth wire one side and the guage wire the other
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
    Located in N/W London HA3, and willing to travel within reason





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    Quote Originally Posted by Autosparks View Post
    So power to the guage on pin "A"
    Earth to the guage on pin "B"
    Sender to the guage on pin"C"

    Sender has a earth wire one side and the guage wire the other
    hi there
    sorry to be thick but the sender only has one terminal which is connected to C, if i earth the sender it makes the needle go off the scale
    thanks for your help
    Ivan

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    Where are you earthing the sender? Not on the wire that goes to pin C of the guage?
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
    Located in N/W London HA3, and willing to travel within reason





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    By the sounds of it, the sender's earth connection is through the body of the sender. That leaves you a single wire that you need to run to pin C of your guage.

    Because the sender earths through its body, your guage won't show anything until the sender is screwed into place.

    Hopefully the mouting position of the sender is metal and connected to earth!

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    Quote Originally Posted by Autosparks View Post
    Where are you earthing the sender? Not on the wire that goes to pin C of the guage?
    hi there and thanks for the help
    i have a voltmeter next door to the temp gauge so i am taking the live and earth from that to the temp gauge, the sender sits in a joiner cut into the bottom water hose near to the rad, looking at the diag it appears that the earth for the temp gauge should go to a seperate earth what do you think!!!!!!!!!!!!!!!!!!!
    ivanm

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