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Jul 21st, 2025 | | | | Joined: Feb 2015 Posts: 23 'Bolter | | 'Bolter Joined: Feb 2015 Posts: 23 | 64 chevy C30 1 ton panel, dropped the tank, cause it had gummed up fuel, had tank inspected, and cleaned, my problem, is that I would like to know if any one here knows where I might find a new fuel sending unit
Wylie johnson
| | | | | Joined: Mar 2007 Posts: 4,185 Moderator | | Moderator Joined: Mar 2007 Posts: 4,185 | Not sure if your FLAPS carries them, they might. Otherwise go to the top of the page and click on 'links' then 'parts', lots of suppliers. | | | | | Joined: May 2005 Posts: 8,988 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,988 | GM should have used the same one for all trucks. Panels and suburbans are different. Maybe you don't know any aftermarket 60-66 vendors yet. Here is a sender that may be the one. | | | | | Joined: Feb 2015 Posts: 23 'Bolter | | 'Bolter Joined: Feb 2015 Posts: 23 | nope I have one and that is for a truck
Wylie johnson
| | | | | Joined: May 2005 Posts: 8,988 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,988 | I found the right one for Panels by googling.
| | | | | Joined: Feb 2015 Posts: 23 'Bolter | | 'Bolter Joined: Feb 2015 Posts: 23 | well after looking, still no luck on finding a sending unit for my 1 ton C30 panel, I did get it cleaned, reinstalled, and put tank back in, now it reads full when I turn on the key, all wiring is correct, so now I am going to remove the tank, to see if the sending unit is stuck in the full up position, if not I will look for a different kind, and make it work.
so if any one here has a panel with a side mounted tank, and a good sending unit, let me know
Wylie johnson
| | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | If it reads full, you might not have the sender grounded. Run a wire from a sender mounting bolt to a good/clean ground.
This assumes the gauge goes back to zero when the ignition is off? | | | | | Joined: Feb 2015 Posts: 23 'Bolter | | 'Bolter Joined: Feb 2015 Posts: 23 | panel had been setting in field, when I got her home, I did not put a battery in her to see what electric was good, so the gage read 1/2 full, when I did get a battery, the tank had old fuel, hence is why I dropped the tank, no one has this fuel sender, and I have 2 that the parts people said that would work, they are for a truck, so I cleaned mine up checked it with a ohm meter and it showed ok 0 ohms down, 30 ohms up or full, so I am going to take the tank back out and see if the float is stuck in full or if sender is any good, will let all know what I find
Wylie johnson
| | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Run a ground wire from a sender attachment screw to some clean metal/bolt/screw on the frame (right side, if you find a ground place). | | | | | Joined: Mar 2010 Posts: 10,059 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,059 | Do not waste any time removing the tank until you verify that the top of the sending unit is grounded to a part of the truck which is solidly grounded to the battery.
I hope 3 hints is the charm.
Full reading with ignition on is a textbook symptom for bad ground to sending unit.
Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Feb 2015 Posts: 23 'Bolter | | 'Bolter Joined: Feb 2015 Posts: 23 | ok so here is what i found, i went and located the wire that runs from the tank, took it all out, took my ohm meter, and checked it, no continunity, so i looked to see if there was a brake in the line, and i found that the top that goes to the sending unit was broken, the rubber protector hid the part that goes to the sending unit, went to parts store and found a connector that fit, installed it and low and behold, the gauge works, went and filled her up and i watched as i filled her up and she reads, so problem fixed, want to thank all here, for all the info, and the help
Last edited by wylie; 07/23/2017 1:53 PM.
Wylie johnson
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