01C = 3rd week of January Build
4BP69 X 159910
4 = Buick Division
B = Body Platform
P = LeSabre Limited
X = Fairfax
159910 = Sequencial Build Number
73L = Lt. Maple Exterior, Lower Body Color
11T = White Vinyl Top
77E = Interior Trim, Dk. Maple, Cloth and Vinyl
AM6 = 60/40 Bench Seat with Armrest
11T = ( in this line ) White Top Mouldings
16 4250 G = I believe these to be Internal Factory Codes
Your VIN probably reads
1G4AP69 _ 1EX _ _ _ _ _ _
1G4 = U.S. Mfg.,GM, Buick Division
A = Passive Restraint Manual Seat Belt
P = LeSabre Limited
69 = 4 DR
This location is Engine code
1 = Check Digit
E = Model Year,1984
X = Assembly Plant
Next 6 Digits are Vehicle ID sequence
:thumbsup:
David