When power is not applied, is it blocking reverse?

Road speed input would be ideal, I'll keep that in mind since I might have a little arduino onboard for various functions.


1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]