Found out the other day the box is the timing device for the rear window defogger. I was told by my Subbie tech who went to class and asked especially for me since I sent him with a list of questions that we wanted answers for. SFRinNJ
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
IW STi Forum
A forum community dedicated to Subaru Impreza and STI owners and enthusiasts. Come join the discussion about performance, engine builds, exhaust, modifications, troubleshooting, maintenance, and more!