¿powering relays with dual supply?

Hi!

Is it possible to power signal relays from dual +V/-V rails instead of +V/gnd?
I think it should be possible, adding a resistor to the rail that switches it on or off. I use omron g5v1 and g5v2 series. the supply rails will be +/-16,5v.

¡Merry christmas!

Jay x