263 - TRM - Interior Trim
26 - Seat style & material - Bucket seats, vinyl
3 - Colour - Cordovan
SS - PNT - Exterior Colour
S - Upper Colour - Luminous Cordovan
S - Lower Colour - Luminous Cordovan
(Chrysler entered a code for a roof colour on convertibles even though they did not have a painted steel roof)
NOTE : The Lynch Road plant reversed the entries for TRM and PNT during the 1960's.
A=4 - Engine - 504 - 361 V8, 4-bbl carb
B=5 - Instrument Panel - 415 - Padded
C=1 - Radio - 361 - AM Music Master
J=5 - Heater - 385 - Front heater / defroster
L=3 - Electrical - 423 - Back up lights
N=1 - Power Equipment - 351 - Power Steering
Engine Number - S 36 HP
S - 1962 model year
36 - 361-cid V8
HP - 4-bbl carb
There should be 2 numbers following this - eg, 11 01, which would stand for the month and day the engine was assembled.
If the number 2 appears after / below the date, that meant the engine was assembled on the 2nd shift of that day.
Hope this helps