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03-30-2003, 02:21 AM | #1 |
Registered User
Join Date: Jan 2003
Location: Cold, Snowy High Level, Alberta Canada Eh
Posts: 394
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More Gas Tank questions!!
Here we go. My gas gauge was reading all the way empty, so i had a service shop in town look it over when the truck went for inspection. The tech said i needed a new sending unit, so i ordered one. It got here, i installled it, and low and behold, it still didnt work. Instead of working through the whole spread, the gauge only registers when the arm is between empty and one quarter. I can fill the tank right up, and the quage stays at 1/4 tank. The qauge functions like it should, but the full mark is at 1/4, and empty is way down at the botttom. I have been told that there is a resistor in the gauge that may be shot, but i dunnno. BTW, how big is the tank in my 72 c-10. Im thinking probably about 80 litres, but i got no idea. its sorta nice when figuring out how much gas is left!!!! Thanx in advance for any help i get.
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03-30-2003, 03:57 AM | #2 |
Thats the Hillbilly way
Join Date: Jul 2001
Location: Torrance,Ca
Posts: 5,980
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If you put a meter across the sending unit it should read 90 to 0 ohm's as you move the float.
Most likely the float is sticking or has a pin hole and has partially filled with gas. Pull the brown wire off the sending unit the gauge should go above full .if this is OK . Pull the sending unit reattach the brown wire and ground the sending unit then move the float up and down watch the gauge and see if it goes from E to F. If this is OK the sending unit is OK ,make sure the float isn't full of gas or getting stuck when you install it in the tank. Good Luck
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04-01-2003, 01:49 AM | #3 |
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Join Date: May 2000
Location: Ramona, CA
Posts: 2,033
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knew sombody that had the same problem...untill he rotated the sending unit 90 degree's....so the float was moving into the larger side of the tank, insted of stopping about 1/4 way up by the wall of the tank......
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