IIRC, the od off relay is a larger box, 'cause it's got several dingleberry things in it, those ziggy zaggy 'lectron things, but it's been a while since I looked at the circuit diagram for it...

Hey seer, I've got some Arkansaw jokes for ya'. State trooper stops an Arky and asks him if he has any ID. " 'bout whut?" the arky replies...(yeah, I know, you can substitute AL for AR pretty much in any of 'em...)

Not responsible for advice not taken...