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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Making a low fuel warning light for a old car
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Mon, 25 August 2003 04:56
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just been playing behind the dash yet again! just got myself thinking is there anyway to make a warning light for when ya car gets low on juice! how do they work on newer cars?. Im guessing that when some sort of resistance is met on the fuel guage the light is flicked on,
any ideas would be great, im sure there would be hundreds of people that would be interested in making one
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Location:
Canberra
Registered:
December 2002
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Re: Making a low fuel warning light for a old car
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Mon, 25 August 2003 05:41
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Yup i did this on my 23 Jaycar have a kit it actually works on the resistance in the fuel guage system and not on the capactience bulb thingy that is on most newer cars these days.
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: Making a low fuel warning light for a old car
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Mon, 25 August 2003 06:45
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that soundslike a great idea!! what is the range of resistance of a fuel sender anyway?
if you have a surge tank, you could put one in there with a "warning massive damage" light  )
i have seen kits around that have a vertical thing that has an internal float that is used for boats and planes and such for fuel levels. might be a bit extreme having a second sender in the tank tho.
Jason, do you have, or can get, an article number for that kit? latest jaycar cat doesn't have it listed?
Cya, Stewart
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Re: Making a low fuel warning light for a old car
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Mon, 25 August 2003 08:07
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i heard spark plugs make great sensors for this !!
Just drill and tap one into your fuel tank at the desired level, and apply high voltage.
I garentee you will know when the fuel gets low.
Matt
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I Supported Toymods
Location:
Sydney
Registered:
December 2002
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Re: Making a low fuel warning light for a old car
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Mon, 25 August 2003 09:28
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Yojimbo... Will your spark plug fuel light work well with The Witzls in fuel tank mixing nitrous trick??? ( :
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Location:
Montrose, VIC
Registered:
May 2002
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Re: Making a low fuel warning light for a old car
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Mon, 25 August 2003 10:00
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At least with the spark plug method, something WILL light up when the fuel gets down  even if it IS the night sky..
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Location:
Canberra
Registered:
December 2002
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Re: Making a low fuel warning light for a old car
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Mon, 25 August 2003 23:40
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| oldcorollas wrote on Mon, 25 August 2003 19:46 |
but seriously, can't be that hard to use the original sender, depending on the resistance of the gauge, the sender and the light circuit...
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Thats how my system works i will see if i can get the numbers in a couple of days when i get home
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