Toyota echo starter

hello i installed a remote starter unit in a 2000 echo eveything went fine except for, that when the vech is running, and i put the key and turn the key on it grinds. iknow i have to put a relay.  i woudl like to knwo how to wire in the realy and  where do i hook up the acc wire?  right now it is connected to the seconde ignition, is that correct. any help would be apprecited,

thank you

some one told me i have to cut the starter wire and isolate it thought the relay.  i am confused. haha