actuated lisence plate

i have a actuated lisence plate that currently move by a toggle switch up and down   i am tryin to get it to come down when the truck is on and go up when the truck is off   any help with diagrams would help me alot

Show me how your switch is wired right now.John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

its is just a toggle switch that reverses polarity so it can go up and down    there are only two wires that run back to the actuator

i found similar threads about this but most involved some kind of switch. i want it to run all on its own,   so if i get in my truck and turn it on   the plate will drop    and when i stop and turn the truck off the plate goes up. its pretty much the same way a power antenna works you turn the radio on and it goes up    you turn it off it goes down. thanks alot joe

Is your current setup timed to turn off the power automatically or are you doing it manually? .

the relays shown in your diagram are they std. 30/40amp relays, it is a little bit confusing to what goes where

the actuator does have limit switches   so it will stop itself when its all the way up and all the way down

hotwaterwizard wrote:

Hotwaterwizard, could you switch the relays around so that the common of the relays are connected to the "motor" inputs, with the 12V and ground on the 87 and 87A? That would avoid any chance of one of the relays lagging the other when switching, and momentarily connecting the 12V directly to ground. If the common side is on the motor inputs, it wouldn't matter if the relays aren't perfectly synchronized.