Jump to content

Fuel sender


richard mackay

Recommended Posts

There is a previous thread that discusses the resistance values at the pins of a working sender.

https://www.rhocar.org/index.php?/forums/topic/49494-sender-unit

Unfortunatey niducan's photos no longer seem to be accessible, note one pin goes up in resistance, one down and the other stays constant, so it is possible to wire the conections up so that a full tank might read empty and vice versa, I think.

Link to comment
Share on other sites

The sender I got from kit spares has only one threaded pole or rod on the top of the sender with one wire on the inside. I connected the power and sender signal wire to the pole and the third wire to earth. When the ignition is switched on the gauge goes up to full. When the the ignition is switched off the gauge goes down to half and stays there. Whether it's a coincidence or not that the tank is half full I Don't know. Electrics are not my strong point guys🙂

Link to comment
Share on other sites

I agree. I looked at the Kitspares product that you probably have.

https://kitspares.co.uk/collections/fuel-system/products/fuel-sender-unit

It does not match the drawing above because it is probably for a really basic Sierra maodel, maybe the pickup. The sender with the three pins is more complicated because as well as the variable resistance for the fuel gauge it can also be linked up to two other features of higher spec Sierras, that is, the trip computer and the low fuel level warning lamp. So for most folk with a kit car only one of the three connectors on the sender unit is used. Essentially that is what you have, a sender unit that has the single needed connector.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
  • Recently Browsing   0 members

    • No registered users viewing this page.
×
×
  • Create New...