ecm relay

Hi all, I'm working on an engine swap in my 1990 B2. I just replaced the main power relay with an aftermarket one (cut off the old one and spliced in the new one). However, when I turn the key to "run" the relay closes its contacts as it should, but when I set the key to "off" and take out the...

Does anyone know the part numbers, or where I can buy an eec relay and wire harness… I can’t find one anywhere. I have found them with 5 pins instead of four, but I can’t find an exact match. Do they still make them? Thanks for the help