gas guage - Team Camaro Tech
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post #1 of 3 (permalink) Old Feb 11th, 13, 07:35 PM Thread Starter
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gas guage

I put in a new sending unit in the gas tank black wire went to body ground the other i just pluged in \, my fuel gauge always shows full althou it is not, when I turn on the key the guage goes for full to past full, tried remmoving the ground the guage does the same thing, any ideas would be apriciated thanks
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post #2 of 3 (permalink) Old Feb 11th, 13, 07:43 PM
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John
 
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Re: gas guage

Break in wire from sending unit to gas (brown wire) Either not connected at gauge or a break somewhere else. Also check the connection in the trunk just above the filler neck.

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post #3 of 3 (permalink) Old Feb 15th, 13, 06:36 AM
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Re: gas guage

Is it a console fuel gauge or dash gauge? What year? If it's console is it original or OER?

Not sure if this relates to your problem but it does sound like an issue I am having now. Inherited a fuel gauge issue when I bought my 69 Z. I found a post here on how to test it and found I was missing the resister on the back of the gauge, so I bought one a few years back and was still having problems. Needle was going to full and staying there. Turns out I was sent a temp gauge resistor instead of fuel gauge resistor which ohms out at 90.0. The fuel gauge resistor should be less than half of that. My spare console fuel gauge ohms out at 43.0. I just found out last night using the wrong resistor was the problem. Also, looking at the catalog I ordered the resistor from, there is a note printed that if you have an OER gauge you don't need the seperate resistor like the originals because they have an internal shunt resistor installed.

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