It is screwed into the exhaust manifold on the back of the engine.
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.
There is no speedometer cable on a 1990 Chrysler New Yorker. The speedometer is electically driven by a speed sensor mounted on the transmission. often the contacts are just corroded and some electrical cleaner will fix it right up. Other times the sender will have to be replaced. They are available from major Auto Parts stores like NAPA, or from the dealer.
More than likely a blown fuse.