EXAMPLE:


LINE 1: Year, GM Division, Model and Body, Assembly Plant, Sequence Number

Year	GM Division	Model Series	Body Code	Assembly Plant	Sequence #
75 = 1975	1 = Chevrolet	XX = Nova XY = Nova Custom	17 = 2 door hatchback 27 = 2 door sedan 69 = 4 door sedan	K = Kansas City, MO L = Van Nuys, CA T = Tarrytown, NY W = Willow Run, MI	Starts at 100001

LINE 2: Trim and Paint

Interior Trim	Seat Type	Exterior Paint (Lower/Upper)
02W = White w/Dark Blue perforated vinyl bench or buckets 04W = White w/Dark Green perforated vinyl bench or buckets 07W = White w/Dark Oxblood perforated vinyl bench or buckets 11W = White w/Black perforated vinyl bench or buckets 16G = Medium Graystone knit cloth buckets (LN only) 19C = Black cloth bench 19E = Black Sport sport cloth bench or buckets 19V = Black vinyl bench or buckets 19W = Black perforated vinyl bench or buckets 26C = Dark Blue cloth bench 26D = Dark Blue knit cloth bench 26G = Dark Blue knit cloth buckets (LN only) 26V = Dark Blue vinyl bench 44D = Medium Green knit cloth bench 55C = Medium Sandstone cloth bench 55D = Medium Sandstone knit cloth bench 55G = Medium Sandstone knit cloth buckets (LN only) 55V = Medium Sandstone vinyl bench or buckets 55W = Medium Sandstone perforated vinyl bench or buckets 63E = Dark Saddle sport cloth bench 63V = Dark Saddle vinyl bench or buckets 63W = Dark Saddle perforated vinyl bench or buckets 73G = Dark Oxblood knit cloth buckets (LN only) 73W = Dark Oxblood perforated vinyl bench Accent Colors 75F = Red Carpet	A51 = Bucket Seats A52 = Bench Seat	11 = White 13 = Silver Metallic 15 = Light Graystone 24 = Medium Blue 26 = Bright Blue Metallic 29 = Dark Blue Metallic 44 = Medium Green 49 = Dark Green Metallic 50 = Cream Beige 51 = Bright Yellow 55 = Sandstone 58 = Dark Sandstone Metallic 63 = Light Saddle Metallic 64 = Persimmon Metallic 74 = Red Metallic 75 = Medium Red A = White Vinyl Roof B = Black Vinyl Roof D = Dark Blue Vinyl Roof F = Dark Brown Vinyl Roof G = Medium Green Vinyl Roof H = Dark Red Vinyl Roof R = Red Vinyl Roof T = Sandstone Vinyl Roof W = Silver Vinyl Roof

LINE 3: Build month and week

Month	Week
01 = January 02 = February 03 = March 04 = April 05 = May 06 = June 07 = July 08 = August 09 = September 10 = October 11 = November 12 = December	A = First Week B = Second Week C = Third Week D = Fourth Week E = Fifth Week