Code 12th-17th Position,
Unique six digit numeric sequence codes are assigned to each passenger car by the vehicle assembly plant of manufacture.
Sequence codes for "Ford" make passenger cars may range from 100,001 through 599,999: sequence numbers for "Lincoln" and "Mercury" make passenger cars may range from 600,001 through 999,999.
Trucks, MPV's, buses and incomplete vehicles:
A six digit alphanumeric sequence code (first digit alpha, last five digits numeric) is assigned for trucks, MPV's, and incomplete vehicles.