The horizontal column location is critical for correctly decoding the numbers. There are 7 items possible with the first item listed directly below the first letter of the rear axle code, or column number 15 and the column number is how they will be designated below. The Fremont, CA. plant apparently had their own method of labeling these options as many times they used numbers such as 2 , 4, or 5 that did not correspond to the other plants. The meaning of these 'other' numbers is unknown.
C-15 (G) ~ Power Steering Option Code:
C-16 (H) ~ Power Brake Option Code:
C-17 (I) ~ Radio Option Code:
C-18 (J) ~ Disc Brake Option Code:
C-19 (K) ~ Air Conditioning Option Code:
C-20 (L) ~ Power Window Equipment Option Code:
C-21 (M) ~ Power Seat Equipment Option Code: