gas guage question
I put a new tank between the bed rails.
Spliced into the existing fuel gauge wire and ran it to the new sending unit. Put gas in it and it reads empty. I took the ground wire off to check my ground and the gauge went past full. Re-connected the ground and it goes to empty. So I know the gauge works . Has a new sending unit . What the Crap ? Any suggestions ? |
Re: gas guage question
Stock gauge?
Is sending unit 30 or 90 ohm? |
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And what would I need to do to correct it ? The tank is a replacement from SOKY Classics, blazer tank. I told them it was going in a 71 and that is what they sold me. |
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I haven't checked it yet but I called soky classics and they its a 90 ohms unit.
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Re: gas guage question
If you're using the stock factory gauge, it should be 90 ohm.
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Funny thing happened a minute ago. The brown wire running to the fuse box has a factory type tan colored plastic shield over it. Looked original. I took it off and hooked it up and my gauge went to an 1/8th of a tank which is about what I'm guessing is in it. I'm going to go get a little gas and see what happens.:confused::confused: |
Re: gas guage question
I put $10 worth of Premium in it but cant tell if it moved any. After I get the carb back on it ill drive it down and fill it up and see what happens.
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Re: gas guage question
Every aftermarket fuel sender I have put in has had the float sink within a day or two if they are the copper ones. Is it a plastic tank? If so you will need to also ground the metal portion of the sending unit. you will have no reference to ground other wise
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If you can get to the sending unit, take it out then while making sure it is grounded, move the float up and see if the gauge changes at all. If it does, take the float out and test it to make sure that it floats.
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I took the white plastic cover off the brown wire where it hooks to the fuse block. Cranked up the truck today and the gauge moved to a little ove a 1/4 tank which is what I think it should have in it. I think the trouble was the clip.
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The gas gauge moved to way past full today ....WTH ?
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Re: gas guage question
IIRC, if your gauge reads over full, the sender wire has probably been grounded somewhere between the fuse panel and the tank.
If you can get to the sender, try running another wire out through the door etc, just for testing purposes. I had to run a new wire, as the original was brittle. |
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