[DeTomaso] Fuel level sender removal

Sat Feb 23 20:41:41 EST 2019

All,

I forgot to issue an update. I forgot that I had bought a late-model fuel sender from Paul Rimov back in 2010. Naturally I remembered only after I had ordered a new one from Larry Stock. 

Doh. 

It was shockingly easy to pull the old sender out. Moving the fuel line proved problematic as it needed to grow about 4 inches longer. As I’m using Earl’s Permaflex Plus Teflon/braided stainless hoses, that’s a non-trivial thing. I bought more hose and fabricated a new one, transferred the fittings over, and capped the old fuel line banjo fitting with a vacuum plug. 

The wiring was straight forward and the fuel line hookup was similarly simple. The car now works as advertised. 

I had a fuel leak from the 25-year-old fuel feed, and the replacement I got was the wrong size. So I had to order another one from Earl’s and am awaiting its arrival. 

The fuel sender and too-big fuel feed are on their way back to Larry Stock and it should be very straightforward to change the fuel feed when the new one arrives. 

Look at me! Ready for Reno four months early!?

Mike

Sent from my iPad

> On Feb 11, 2019, at 19:29, Julian Kift <julian_kift at hotmail.com> wrote:
> 
>   Of course you could just go to Pantera Place and look at those wiring
>   diagrams Bill spent so much time developing!
> 
>   Yellow low fuel warning light and white/black fuel gauge.
>   Julian
>   On Feb 11, 2019, at 19:22, Julian Kift <[1]julian_kift at hotmail.com>
>   wrote:
> 
>   Mike,
>   Once you get the unit out it should be pretty evident which wire feeds
>   what and wether that is oriented the same on the new sender. In theory
>   it shouldn't matter as the wires are just connected to either side of a
>   variable resistor one side to the wound resistor coil the other the
>   resistor wipe arm (float).
>   Julian
>   On Feb 11, 2019, at 18:40, Mike Drew via DeTomaso
>   <[2]detomaso at server.detomasolist.com> wrote:
> 
>   Hmm,
>   Server seems to have stripped my photo away....
>   <image1.jpeg>
>   Mike
>   Sent from my iPad
>> On Feb 11, 2019, at 18:34, Mike Drew via DeTomaso
>   <[3]detomaso at server.detomasolist.com> wrote:
>> 
>>    Thanks Curt.
>> 
>>  Turns out I had a photo of my sender, and my recollection was
>>  completely wrong. Mine is two-wire with a ground tab.
>> 
>>  image1.jpeg
>> 
>>  I have to just hope that the new sender respects the old sender
>   wiring
>>  orientation.
>> 
>>  Still waiting to hear from somebody who has successfully pulled the
>>  sender without removing the window?  It may not be possible.
>> 
>>  Mike
>>  Sent from my iPad
>>  On Feb 11, 2019, at 17:29, Curt Hall <[1][4]cuvee at sbcglobal.net>
>   wrote:
>> 
>>  Mike...
>>  Here is a photo of my 73. I had problems last year with gauge
>   reading
>>  on E? Pull the sender and found the Float was full of fuel,
>   replaced
>>  the float and all is good. 50/50 chance of wires bring wrong, I
>   have my
>>  windows out so I was able to hook up and test things before
>   installing.
>>  Good Luck Curt
>>  <20190211_172047.jpg>
>>  [2]Sent from Yahoo Mail on Android
>> 
>>  On Mon, Feb 11, 2019 at 3:00 PM, Mike Drew via DeTomaso
>>  <[3][5]detomaso at server.detomasolist.com> wrote:
>> 
>>  All,
>>  It seems to me it's possible to remove the fuel level sender
>   without
>>  removing the side window glass. In fact I'm fairly certain I've
>   done
>>  it, years ago, but can't remember for certain. Can anybody confirm
>>  please?
>>  Also does anybody know which wire goes where on a two-wire sending
>>  unit? My old one has three wires but new one has no provision for
>>  ground, so I will have to fabricate one. I have a 50/50 chance of
>>  getting the other wires correct but would like to improve my odds.
>   I
>>  have no reason to believe the new sender will respect the wiring
>>  orientation of the old one?
>>  Mike
>>  Sent from my iPad
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>>  <20190211_172047.jpg>
>> 
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>   4. mailto:cuvee at sbcglobal.net
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