Chevy & GMC Truck Fuel/Gas Gauge Troubleshooting & Repair
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- เผยแพร่เมื่อ 23 ก.ค. 2024
- Website: www.brotherstrucks.com/
Dave Welch is a classic truck Specialist and he's got plenty of tricks for nearly every project on your classic Chevrolet or GMC Pickup! Find Dave's videos and more for your classic truck at www.brotherstrucks.com
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Great job demystifying how a gas gauge works. Thank you for your time.
Our pleasure!
The potentiometer in the fuel gauge failed, seems every truck I’ve owned had the same problem. Thanks for making it seem easy. Just a safety tip folks, always wear your safety glasses while dropping the fuel tank. Rust and dirt can get in your eyes, not a fun trip to the ER.
Thanks David, see you next Tuesday!
How did you know I was having this issue? Haha. I can't wait to troubleshoot this... when is not 110° 🥵
Thanks for helping me fix my fuel gauge. It was this video & only this video that made it possible. I wish the sending units could be made of a higher quality 😕but I'm glad my tank is still inside the cab & is easy to get the sending unit 😜
Glad we could help!
Thank you Dave! Keep up the good work!!!
Nice video thanks David 🇺🇸
I love this, especially since it’s something that I have to do soon, thanks Dave
Our pleasure!
Dave has cool hair. I wish I had Dave’s hair.
Another good vid Dave thanks for the vid.
Thanks Robert
Great video again. My 77 GMC gauge reads half full when turn it off. Turn the switch on it reads full. I beleave it too is the sending Unit.
Great tutorial
Thanks for watching!
Dude u r awesome.. One of the best.. Keep doing them great videos
Thanks for sharing the great information.
Our pleasure, and as always, thank you for watching!
Great video and solved my problem.
The needle on my 86 burb’s gauge usually points straight down in the 6:00 position.
It moves sometimes to 3:00-4:00.
Other times it almost reads empty over by 9:00 position but is still well below empty.
It’s odd.
My K10 had the right-side gas tank removed by a previous owner. Currently working on getting gauges working again in the cabin, but I also want to get the second tank back on the truck which means i need to order one. Is it necessary to remove the bed of the truck to install a new gas tank or does it just make installation easier with the bed removed? Can you do this without a lift, with just two or three people?
Nice job Dave Welch!! I m still fooling around with my gauge on my Nova still not showing fulll. It's stops a little over a half a tank. After I drive about 120 miles then it starts to work. It has a new sending unit. I know the gauge is good too. So I'm gonna check my ground off the sending unit and if that doesn't do it, I'm gonna assume it's the "new" sending unit not working correctly.
Sounds like a bad resistor on the back of the guage.
Great video brother! Hate to say it but I have to drop my gas tank :/
SUPERB !!!!
Thanks for watching!
Where did you get that fuel sending unit tool at? I've searched all over this video's page, but I'm not seeing a link for where you can purchase one. My '72 K10 4x4 in-cab tank is suffering from this same issue as it always is resting at a 1/4 tank even when the tank is completely full. Great video, Dave! Thank you!
holley-social.com/BROTHERS_GTSTOOL
What if the gauge is reading full or even beyond full all the time?
My scenario (77 c10): reads empty when off like normal, turn on ignition and it always stays well past full and doesn’t move unless ignition turned off
Dual tank*
On my 84 k1500 it reads 3/4 full but when I turn the key it reads a quarter over full. Would the be the sending unit?
Sounds like it. Does it ever reach empty?
@@BROTHERSTruckPartsTV no, Lowest it goes is 3/4 with no power, then when I turn the key it goes past full but isn't constant how much past full it goes. Sometimes is about half an inch, other times is goes all the way down.
@@cjmckaig9684 You aren't getting a 12v power source to the gauge.
My fuel gauge shows a quarter tank but the fuel tank is full. I checked all the wires and did a test as you've shown to eliminate the fuel gauge and wires. I replaced the fuel sending unit, however, the problem still exists and the gauge still shows a quarter tank. Any assistance would be greatly appreciated.
Test the resistor on the back of the guage itself.
So im having issues with my fuel gauge just today. Its stuck passed the full. When I turn on the ignition i can see it slightly move and when i turn the ignition off i can see it slightly move to empty but still stuck pass the full position…i noticed this happened today…i have a new gas tank with a new sending unit…
It sounds like you have no 12v power to the gauge itself. If it goes over full and continues to climb that's usually the cause. otherwise its a bad ground on the new sending unit.
@@BROTHERSTruckPartsTV thanks ill check the 12v behind the gauge cluster.
@@armygreenfj3924 one other thing about that... depending on the year of your truck, a absent 12v source will potentially affect your temp gauge too.
@@BROTHERSTruckPartsTV its a 75 blazer
@@armygreenfj3924 Just the fuel gauge then.
I love your videos (Russians are gonna win 😂) keep up the great work
Seems like an ill prepared video. Weird.
Russia is winning