“Line lock” is a momentary setups. Works as long as you’re holding the ****on. You could put it on a toggle but,,, If you want to get out, get in front of the vehicle and open your gate then I’d get the manual lever lock valve shown above
Doh! I should have realized that. I did think about the manual lever dingus but routing the brake line to get it in a covienemt spot inside the cab seemed prohibitive. Now I'm wondering how long I can leave the line lock solenoid on. Don't need it much longer than at the starting line waiting for the other guy to stage. Thanks 31V