GM Service Manual Online
For 1990-2009 cars only

Vehicle Identification Number (VIN) System

Position

Definition

Character

Description

1

Country of Origin

1

United States

2

Manufacturer

G

General Motors

3

Make

B

Chevrolet Incomplete

4

GVWR/Brake System

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5

Truck Line/Chassis Type

P

Forward Control

4x2

6

Code/Series

3

1 Ton

7

Code/Body Type

2

7

Forward

Motorhome Chassis

8

Engine Type and Make

S

(L21) 7.4L Gas

9

Check Digit

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10

Model Year

X

1999

11

Plant Location

3

Detroit, MI

12-17

Plant Sequence Number

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