Typical VIN -- 1FACP54Y2MA100001 -- for 1991 breaks down as shown:
| 1FA | Ford passenger car |
| C | Restraint system A - Active belts B - Passive belts front C - Active belts and driver air bag (typical) |
| P | Passenger car |
| 54 | Line, series, body type (54 = SHO) |
| Y | Engine type ("Y" = 3.0L EFI DOHC) |
| 2 | Check digit |
| M | Model year (G,H,J,K,L,M = '86,'87,'88,'89,'90,'91) |
| A | Assembly plant ("A" = Atlanta) |
| 1000001 | Production sequence number (100,001 is the first Ford) |
Should you want to know more about VIN's in general, please have a look at http://www.pi.net/~fransang.