Fuel gauge can't decide

[RTSE440]

Hello all having an issue with my fuel gauge it decides when it want's to work sometimes it works other times it won't seems to be when restarting the car it may come on, any thoughts ? i was thinking ignition switch maybe

[70 sublime]

Gas water temp and oil gauge all work on same circuit
Do the other 2 work when gas is not ?

Do you have the ground strap on your gas tank ?

[RTSE440]

Gas water temp and oil gauge all work on same circuit
Do the other 2 work when gas is not ?

Do you have the ground strap on your gas tank ?

Yes temp works but oil pressure never worked & has ground strap on the sender unit to the fuel line as factory