Oil press wire?

1999 295 ezgo, I have one wire left to hook up, its single wire that comes out from the back top of the engine, could it be an oil pressure sending unit? where does it hook up on the cart? if that is not hooked up will the engine stay running? because my...

newly rebuild engine turns excellent and starts but when I take the foot out the accelerator it dies

Sounds like an idle air control problem. Basically it opens the throttle just a little for you at idle so you don't have to hold your foot on the gas all the time. Dunno about your specific car but if you can get a Haynes manual or something that's a good place to start looking.