Cadillac Repair: ELECTRONIC FUEL GAUGE, fuel gauge, fuel sending unit

Question
fuel tank is full but instrument panel flashes  E. have checked fuses on LH side and all are good. gauge jumps from F to E and all the numbers from 2 to 15. put gas but only needs couple of gallons. any suggestions

Answer
In mso cases the fault is the fuel sending unit in the gas tank. You will need, If necessary, Electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture.  I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information.