What is the size of 330ohm resistor in this circuit...

http://picturespk.pk/viewer.php?id=viu1303585405o.jpg

1/4 should work.
Depending on the LED current, if out of the ordinary(higher current, you may try this Calculator:
The Best Current Limiting Resistor Calculator for Led's
By using 2 resistors in Parallel, you could have your Indicating Led's in Multiple Locations.(Drivers Seat and fuel inlet)