Changes to CJ-7 to help with ID:
1976: upright roll bar
low-back seats
narrow track tires (tires do not stick out of body sides)
rear sidemarkers on rear fender
1977: Golden Eagle trim introduced
1978:
1979: Slanted rollbar
1980: Highback seats
Golden Hawk trim for one year only
Laredo trim introduced
Last year for Golden Hawk
1981: Front 3-point seatbelts that are seen on roll bar
Rear sidemarker removed (new tailight design incorporates sidemarker)
Larger sidestep
New door handles
1982: Widetrack introduced
V-8 discontinued
Jamboree trim for one year (30th anniversary)
Limited trim introduced
1983: Last year for Limited
In addition, I reference this graphics site to ID trims by their graphics:
https://www.phoenixgraphix.com/jeep.php#Renegade