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Originally Posted by serendipity  Anyone taken the head unit out of the 08 STi yet? What's the easiest way to get to it? I don't want to mess up the interior trying to pry the trim off. |
I just did the bypass. The trim just pops out - I used my installer plastic tools (these come in really handy - highly recommended for any kind of interior work. Link:
eas - 714.369.8524 | General Installer Plastic Tool Kit )
On the back of the head unit, the connector with the smaller pins has a grey wire just like the Legacy, which is the parking brake lead. I tested with my multi-tool to confirm this grounds when the e-brake is pulled.
I made a short ground wire with a ring on one end and a male quick-connect on the other, and crimped a female quick connect onto the grey lead going into the harness. I crimped an extra insulated male quick connect on the other end of the lead in case I needed to reconnect it. The ground wire just sits between the screw and the head unit's frame, which goes into a metal assembly that's part of the car's frame, so it's a good ground point.
With this wire grounded, the nav unit will let your passenger input directions while moving (tested by driving around the block and doing things that are normally locked out). I believe this allows video while moving as well (NOT recommended yadda yadda). The Brake light in the cluster still works normally with this mod - no annoying light like the alternative (grounding the e-brake switch at the e-brake).
Now if only the bluetooth microphone were available
