You add fluid down the same hole the dipstick is in.
There wasn't a 1990 Chrysler 300.
Dexron auto trans fluid.
Chrysler does not have reset switches.
Its in the fuel tank
No.
No.
.044 inch
10w-30
Total capacity is almost nine quarts.
Yes, it fits (if both are 4 bangers or if both are V6)
It is on the lower portion of the passenger side of the firewall.
1 4 3 2