Topic: Fuel gauge sender


flatheadfan    -- 05-08-2011 @ 6:26 PM
 
I am looking for a '36-'55 fuel sender. I know there are a lot of "modern" ones being sold that are "suppose" to be compatible with a Ford dash gauge but from everything I have seen the compatibility factor is more wishful thinking than reality. Does anyone know a source that sells senders that are truly a match for a '36-'55 Ford dash gauge?

Thanks

Tom


40guy    -- 05-08-2011 @ 6:53 PM
  No I do not. However , if you have or find an original unit this guy can rebuild it to work like new. Tri Starr [315] 712-0071. OR check out his website.


nelsb01    -- 05-09-2011 @ 8:22 AM
  Also, something to remember -- they were all the same from 1936 to 1955.
All you have to do is open the float bar clip, and add the float hook piece from your bad unit.
I have been getting them from old Ford trucks for years, and then just switching the bar.


MG    -- 05-09-2011 @ 7:33 PM
  Right On nelsb01!

As long as the senging unit has Part #9275 in it, all one has to do is to change the arm length/hook as you stated. I just did this today!


supereal    -- 05-10-2011 @ 9:10 AM
  Almost all replacement senders have to be adjusted to register properly. Switching the arm from the original is certainly a good way. Otherwise bending or otherwise altering the float arm is usually required. We have been using the replacements without a problem for a very long time. That may not always be true, as it is reported that alcohol is attacking the resistance element, and causing corrosion that can interfere with the operation.


TomO    -- 05-11-2011 @ 8:18 AM
  If you find a sender, pop the top off and clean the contacts with tuner cleaner and lubricant available at Radio Shack. This will ensure good current control and a more accurate reading.

Tom


flatheadfan    -- 05-12-2011 @ 2:14 AM
  Guys-

First, thanks for the tips! Second, I have one more quick question. Does anyone know the OHM range of a Ford sender?

Thanks

Tom


TomO    -- 05-12-2011 @ 7:40 AM
  The King Seeley (Ford) sending unit cannot be checked for a resistance range as it is not a variable resister. If it reads more than 10 ohms, you will have to clean the contacts. Operate the arm while you have the ohm meter connected to the sending unit. The ohm meter may change readings, but at any position, the reading must be less than 10 ohms.

Here is an explanation of how the sending unit and gauge work.

http://i168.photobucket.com/albums/u197/mercurytom/gasgauge.jpg

Tom


flatheadfan    -- 05-12-2011 @ 8:15 AM
  Thanks Tom. That is what I was looking for.

Tom


supereal    -- 05-13-2011 @ 4:14 PM
  The King Seeley sender contains the same type of construction as the KS temperature senders. That is, a heating element to bias the reading. If you can find an original, good for you. The aftermarket units may not be as accurate, but properly set up, can deliver an acceptable reading.


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