Quote Originally Posted by ecoflame View Post
OK, on the JDM pigtail you have four wires coming out two are grounds two are the power. The two on the bottom of the harness side connector are the power the two on top are the grounds. Should be
Combine the thin red and thick black together those are the grounds. The bottom left wire (#3) is for the highs the bottom right (#4) is for the low (HID) if your looking at the JDM pigtail with the wires pointing towards you.
The two ground wires go to the center wire from your harness, and the #3 goes to the corresponding color, and #4 goes to remaining wire on your harness.
Just a slight nit-pick here. Subarus use switched grounds and constant hot. The thick Black and thin red wires are positive, and the other two are switched grounds, otherwise that information looks correct to me! I just wanted to clarify if someone was trying to use a meter on those circuits and seeing the polarity reversed.. it might cause someone to hook something up backwards.