Northy
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| posted on 7/6/05 at 01:35 PM |
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Fuel gauge and sender resistances?
My fuel gauge doesn't match my sender. When the tank is empty the gauge reads 1/4 full, when the tank is full the guage reads off the bottom of
the scale (under empty).
The gauge is a Greengauges one, and the sender is a tube with ball in type VDO I think. I had to use the sender due to the baffles in the tank.
Anyone any ideas how I can sort this out so it works properly?
Cheers
G
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing! 
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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ned
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| posted on 7/6/05 at 01:57 PM |
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mine is a dip tube type that Bryn at allyfab got made to suit the etb gauge i'm gonna use. it has vdo written on the sender. is this of any use
whatsoever?!
Ned.
beware, I've got yellow skin
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supercat
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| posted on 7/6/05 at 07:02 PM |
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Hi Graham,
I seem to remember reading somewhere that Greengauges use 10-180ohms as the range for all their senders.
In fact it was on this page http://www.gower-oaks.co.uk/Telmetrix2.htm
Telemetrix are Greengauges without the design-your-own bit, both from CAI.
Hope this helps,
James
[Edited on 7/6/05 by supercat]
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Dusty
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| posted on 7/6/05 at 11:11 PM |
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The VDO sender I have is 10 - 180 ohms. You can adjust the range by fitting resistance in series and parallel but you will be hard pushed to reverse
the direction of movement. Could fit the sender upside down through the bottom of the tank
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Northy
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| posted on 8/6/05 at 08:24 AM |
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Now I'm really confused! I measured the resistance of my sender to be 44 ohms at the minute (tank nearly empty), thich would tie in with the
sender being 10 - 180 ohms, but my gauge does not work with the sender! Time to take the gauge out I think.
Can anyone else shed some light on this at all?
Cheers
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing!
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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Northy
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| posted on 1/7/09 at 11:14 AM |
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Back from the dead, I've still not got round to
fixing this..... 
Can anyone confirm that a Greengauges fuel gauge needs a sender that works between 10-180 ohms? I've tried emailing them but they haven't
replied 
AND if this is true where I can get one from?
G
[Edited on 1/7/09 by Northy]
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing!
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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Northy
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| posted on 1/7/09 at 09:12 PM |
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Measured my current fuel sender tonight, 250mm long dip tube type, just need to find one that is 10-180 ohm range now (I think), can anyone
confirm?
Cheers,
[Edited on 1/7/09 by Northy]
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing!
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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Northy
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| posted on 2/7/09 at 06:47 PM |
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Getting desperate now, it's no fun not knowing how much fuel I have (or haven't) got
I'm in need of a fuel level sender that looks like this:
[img]http://www.etbinstruments.com/Sensors_ancil/Image_Page/VDO_dip_pipe_fuel_sensor.htm[/img]
but that reads 10 ohm at empty and 180 ohm at full. Does anyone know anything?
Or I suppose I could buy an ETB gauge and use the internals in my Greengauges Gauge? Possible?
G
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02GF74
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| posted on 3/7/09 at 08:45 PM |
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arse lost connection and hence post 
there are 2 solutions:
1. purchage sender and matching gauge
2. build electronic circuit to match what you have now.
cirrcuit would need to read voltage across sender - invers if required then supply scaled voltage or current to the guage.
easier said than done offcourse.
u2u me re: option if that is your preferred route.
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