I'd try fingernail polish remover. It'll do a better job on plastics, rubber, most glues than kerosene.
Also a paint remover that has methylene chloride and/or toluene in it would be good. Use with plenty of ventilation. And like said, protect your paint.
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.