The Universal Radio Din Switch panel has four switches Nitrous, Heater, Purge, and Opener. The purge is a rocker switch and the opener is a double rocker that reverses polarity to open or close the bottle valve.
15789 Nitrous Express Custom Switch Panel, Silverado/Sierra 2014-2018
15887 Nitrous Express Custom Switch Panel, C8 Corvette 2020-Up
15775 Nitrous Express Custom Switch Panel, 5th Gen Camaro 2010-2015
15783 Nitrous Express Custom Switch Panel, (New Edge) Mustang 2001-2004
15790 Nitrous Express Custom Switch Panel, C7 Corvette 2014-2019
15782 Nitrous Express Custom Switch Panel, (Foxbody) Mustang 1987-1993