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 Tank sender 
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viking bastard
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Joined: April 18th, 2009, 11:43 am
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Location: Meneac, Bretagne France
Post Tank sender
Would a 12 V tank sender work on 6 V? Is the unit no more than a resister controlling the earth?

Cheers
Viking

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March 21st, 2013, 4:01 pm
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Joined: March 6th, 2009, 1:40 am
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Post Re: Tank sender
Viking,
yes, it is just a variable resistor, so there's a possibility it would work, but I don't have a value for the 'empty' resistance of a 6 volter. :(

IIRC, for a 12 volter, it's 'around' 300 ohms on empty falling to zero ohms when full.

ken


2CViking wrote:
Would a 12 V tank sender work on 6 V? Is the unit no more than a resister controlling the earth?

Cheers
Viking

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Last edited by ken on March 21st, 2013, 7:35 pm, edited 1 time in total.



March 21st, 2013, 4:38 pm
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Post Re: Tank sender
Its not the same question, but the 6volt works without modification on the 12 volt (6v sender, 6v gauge, 12 volt battery/alternator) - Just change the lamp in the speedo cluster.


March 21st, 2013, 6:03 pm
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Post Re: Tank sender
My dipper stick works on any voltage :lol:


March 21st, 2013, 6:30 pm
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Joined: April 22nd, 2009, 11:06 pm
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Post Re: Tank sender
>snigger<

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March 21st, 2013, 9:49 pm
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Post Re: Tank sender
i can,t see it working correcty, the sender resistance and supply voltage need to be matched for the needle on the fuel guage to be correct , but i,m often wrong


March 21st, 2013, 10:50 pm
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Agony Aunt - You have a car problem? Speak to Ken

Joined: March 6th, 2009, 1:40 am
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Post Re: Tank sender
Yep,
since any differences between a 12v and 6v setup are also dependent on the resistances of the electromagnetic coils in the dash instrument. ;)

In theory, it should have been possible to make the 6v & 12v tank units with the same range of resistance, but as to whether Citroen bothered... :roll:

ken


ayjay wrote:
i can,t see it working correcty, the sender resistance and supply voltage need to be matched for the needle on the fuel guage to be correct , but i,m often wrong

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March 22nd, 2013, 1:45 am
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Post Re: Tank sender
as u know ken, i always take accept your info :D
(that king pin def shattered though a shard narrowey missed the dog, no way would it have belled out--


March 22nd, 2013, 3:06 am
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Post Re: Tank sender
ayjay wrote:
as u know ken, i always take accept your info :D
(that king pin def shattered though a shard narrowey missed the dog, no way would it have belled out--


( they can and do! like chromed sockets they deform slightly but also shatter if too much shock is applied)

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March 22nd, 2013, 10:26 am
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viking bastard
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Joined: April 18th, 2009, 11:43 am
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Location: Meneac, Bretagne France
Post Re: Tank sender
ken wrote:
Viking,
yes, it is just a variable resistor, so there's a possibility it would work, but I don't have a value for the 'empty' resistance of a 6 volter. :(

IIRC, for a 12 volter, it's 'around' 300 ohms on empty falling to zero ohms when full.

ken


2CViking wrote:
Would a 12 V tank sender work on 6 V? Is the unit no more than a resister controlling the earth?

Cheers
Viking


It worked. I fitted a 12V sender in the tank with 6V. Needle on the fuel indicator working well. Tested the 12V on the bench, showing max 190 ohms on full, slowly moving down to 0 reaching empty.

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March 23rd, 2013, 11:57 am
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