JdmEG6Si

Ok so installed a new alternator for a d15b motor onto my d16a6 motor and its all installed and now when i try to start car NOTHING Charged the battery still nothing so i checked ll my fuses and vamoosh its the battery relay under the hood fuse fusebox so i run a wire and from both ends just to see if car starts up and i re attach battery cable and the wire burns up. hmmm ok so do i just nedd to get another relay or is there a short somewhere somebody help me find it or do i have the wrong alternator?
I know this is the eg forums but no one in the ef is helping me out
so the car is an ef9 1991 si

JdmEG6Si

B to the UMP