alarm help

[jordano]

please can anyone help with this wireing problem? most of the conections i understand there are two cicuits that are confussing me, first engine cut off circuit from the main box it takes one wire it calls the ignition off output this goes to a relay that has 2 large green wires a thin white wire and a yellow wire which is the same colour as the one from the main,it shows the green going to the plus on the coil am i meant to cut the factory wire going to plus connect it to one green and connect the other to the coil?it shows the white going to a 12v would the 2 yellows connect together? second is the ignition circuit the plug into the mainhas 4 wiresblue=acc brown=on yellow=starter orange this has tobe rolled5-7 timeson the high coil the others feed 3 relays first onegoes to ignition swich marked str,the brown goes to on blue to acc there is also a 30amp fusefrom the relayswhich also shows it going to the key starter 12v if i have confused you im sorry but i am completely baffeled it has no make on it i bought it off ebay but it does have remote start and a microwave senser John.