smccask

Hi all, I'm working on my second subi powered kombi and this one will be a 71 single cab lowlight ute. I have a motor and loom complete from i think a JDM Subaru Outback ~1999, it is a normally aspirated DOHC 2.5ltr so i believe it is the EJ25D (?) it had an auto gbox. Anyhow i have searched for weeks now for a pinout or manual (or anything!) so i can sort the loom and i have found every other pinout in history but nothing for my ECU. My ECU has three plugs that are identical in shape and have 10pins across and 4 pins high. Their colours are blue, grey and black. I would greatly appreciate any help i can get. thanks very much in advance -Simon VW '71 Kombi Ute, EJ25 powered VW '69 Kombi Pvan, EA82T powered