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Low fuel light on??

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Old Feb 1, 2012 | 09:53 PM
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Default Low fuel light on??

I have an 82 and just replaced all the dash cluster bulbs (most were burnt out) and now the "low fuel" light is on but the gauge shows a little over half a tank. So either the gauge is wrong or whatever senses the low fuel is bad. But my question is where does it gets its signal from? Or what should I look for??

I really don't know how full the tank is and can't drive it yet to go fill it up.
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Old Feb 2, 2012 | 12:52 AM
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Did you put just a bulb/holder in the low fuel hole?
There should be a small circuit board that mounts in the hole with the bulb mounted in the board.
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Old Feb 2, 2012 | 01:02 AM
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Originally Posted by KapsSA
Did you put just a bulb/holder in the low fuel hole?
There should be a small circuit board that mounts in the hole with the bulb mounted in the board.
Huh.. no took out the bulb that was there and installed a new bulb. So for 82 there is suppose to have a circuit board in the same hole??
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Old Feb 2, 2012 | 01:13 AM
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VERY common mistake.
https://willcoxcorvette.com/catalogs...ar=&q=low+fuel

As for how much gas you have....open the door and look!
Use something as a dipstick.

Last edited by KapsSA; May 22, 2016 at 06:19 PM.
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Old Feb 2, 2012 | 01:22 AM
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Originally Posted by KapsSA
VERY common mistake.
http://willcoxcorvette.com/advanced_...+fuel&x=42&y=5

As for how much gas you have....open the door and look!
Use something as a dipstick.
Holy crap... Awesome. Would have never knew. Thanks!!
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Old Feb 2, 2012 | 10:01 AM
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If you are going to work on your car, you also need a copy of the Assembly Instruction Manual (AIM) for 1979. If you plan to purchase the 'low fuel warning' module, buy the AIM at the same time. Then you can actually see what is supposed to be installed in the car (and how it is installed) for yourself. Much easier....
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Old Feb 2, 2012 | 02:11 PM
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Originally Posted by 7T1vette
If you are going to work on your car, you also need a copy of the Assembly Instruction Manual (AIM) for 1979. If you plan to purchase the 'low fuel warning' module, buy the AIM at the same time. Then you can actually see what is supposed to be installed in the car (and how it is installed) for yourself. Much easier....
I bought the AIM for my 82 but don't remember seeing that part??
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Old Feb 2, 2012 | 05:26 PM
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Originally Posted by KapsSA
VERY common mistake.
http://willcoxcorvette.com/advanced_...+fuel&x=42&y=5

As for how much gas you have....open the door and look!
Use something as a dipstick.
most of the time (and because they were pretty scarce for so long), people discarded them and put a burned out bulb in the socket (if they put any bulb back at all. as you can see from the above, a core charge is pretty steep because there just aren't that many of the boards floating around any more.
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Old Feb 2, 2012 | 07:38 PM
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Originally Posted by srs244
most of the time (and because they were pretty scarce for so long), people discarded them and put a burned out bulb in the socket (if they put any bulb back at all. as you can see from the above, a core charge is pretty steep because there just aren't that many of the boards floating around any more.
Yep, I could have just deleted the bulb but I like things to be factory correct so I bit the bullet and bought one. And had to pay the steep core charge as well.
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Old Feb 2, 2012 | 08:06 PM
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Yikes$$$$
It's POSSIBLE to install it without removing the gauge cluster.
Take out the glovebox, 6 screws.
Carefully reach over from there.
Just don't drop it!

Or, if you do remove the gauge cluster again, look around under or behind the radio. It may have fallen out and be laying there.
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Old Feb 2, 2012 | 11:21 PM
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Originally Posted by KapsSA
Yikes$$$$
It's POSSIBLE to install it without removing the gauge cluster.
Take out the glovebox, 6 screws.
Carefully reach over from there.
Just don't drop it!

Or, if you do remove the gauge cluster again, look around under or behind the radio. It may have fallen out and be laying there.
I already have the cluster out, changed out all the lights to LED. Man what a difference in brightness. Plus installing a CD player. I will look around again though. That would be nice to have to not pay the core charge.
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Old Feb 2, 2012 | 11:51 PM
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That is what that board goes to! I was putting mine back together and saw it but couldn't remember where it goes. Hopefully I can get to it from the glove box opening to put it back in.

Everyone keeps saying check AIM for everything but I got to tell you, I have a heck of a time trying to find what I am looking for in there. I found a page with the center gauge cluster but nothing that showed that part or the cluster expanded. I hate even pulling out the AIMS
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Old Mar 25, 2012 | 08:00 PM
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Originally Posted by myohpe@gmail.com
Brand new Low Fuel Warning Modules with light bulb included are available on Ebay right now. Just search for corvette low fuel warning module. For 77-82 Vettes. They are $29.95. Only modules being sold out there!
It said 5 available and 5 sold--anymore?? I sent him a note asking but have not heard back.
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Old Mar 26, 2012 | 06:15 AM
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Originally Posted by milo30
That is what that board goes to! I was putting mine back together and saw it but couldn't remember where it goes. Hopefully I can get to it from the glove box opening to put it back in.

Everyone keeps saying check AIM for everything but I got to tell you, I have a heck of a time trying to find what I am looking for in there. I found a page with the center gauge cluster but nothing that showed that part or the cluster expanded. I hate even pulling out the AIMS
I'm glad to know I'm not the only challenged owner out there. Some times the AIM is difficult for me. Just thought it was hardening of my arteries at 59. This is a great thread, I needed the module also.
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