SEM makes a vinyl paint. I've used it on a Tuffy console (including pad), laredo grab bar, door panels, and sunvisors and it's worked great. I would imagine it would stick well to a dash pad but make sure you clean/prep it as stated in the directions.
85 CJ7 258, borla header, Team Rush, MC2100 ,optima batt, Warn 8274, agr super box 2 & pump, T5 w/ B&M shifter, centerforce 2, superior 1 piece axles, warn hubs 2.5 in lift, 31" BFG MT
85 CJ7 258, A/C, T176, MC2100, Team Rush, Warn XD8000i, superwinch hubs, 3in lift 31" BFG AT/KO