Reference

1981-1986 Jeep CJ VIN numbers can be found in a few different places. They can be on the driver's side firewall near the brake master cylinder, on the driver's side dash or near the parking brake lever on the inside body panel. It can also be found on the windshield wiper motor cover inside the Jeep.


Character
   
1st
1 = USA
Country
2nd
J = Jeep
Make
3rd
C = MPV
E = Export LHD
F = Export RHD
Type
4th
B = 151ci
L = 232ci
C = 258ci
H = 304ci
F = Diesel
Engine
5th
B = Auto, Floor
A = Auto, Column
M = 4 speed
N = 5 speed
Transmission
6th & 7th
85 = CJ-5
86 = CJ-6
87 = CJ-7
88 = CJ-8
Model
8th
A = 3,750 lbs
E = 4,150 lbs
GVW
(Gross Vehicle Weight)
9th
Check #
Check #
10th
B = 1981
C = 1982
D = 1983
E = 1984
F = 1985
G = 1986
Year
11th
T = Toledo
Plant
12th to 17th
######
SSN
(Sequential Serial Number)

Courtesy of Jeepfan.com