I have a 1982-1985 case 1845B the instrument cluster wasent workinging i have figured most of it out except the fuel gauge any help would be appreciated. If need more info ask im new here
If it's anything like the 1845c, a non working fuel gauge is usually the sending unit in the tank. Check it first. Either pull it and visually look at it or use a multi meter and check resistance. It should read 0-90 ohms full swing. But the resister wires get shredded/broken and it will read 'inifinite/open'. That what mine did.