Correspond with the registry.
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SN: Serial Number (on drivers door post)
BN: Body Number (on Firewall)
PNT: Paint Code
TRIM: Trim Code
DR: Delivery region (1 for US, 2 for export)
TR: Transmission code
AG: Accessory Group
SCH: SCHED(ule) Number
ITEM: Item Number
ADDL INFO:
HB, LWR, GGR, etc.: Numbers sent in by various members
J: Junked
R/B: Reported by