It's most likely the sending unit. have your mech check that for you.
No.
On a 1990 Chrysler New Yorker, the starter relay is built into the starter. The starter is located on the front of the engine, behind the engine mount.
Chrysler does not use reset switches.
4.5 quarts.
It is in the fuel tank.
1990
in the fuel tank
Check and possibly replace the coil.
It is the part that the accelerator cable hooks to.
Starter, on the starter. Transmission, on the transmission.
More than likely a blown fuse.
It is on the inside of the timing chain cover.