July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Left Front Speaker Connector End View

WARNING: This page is about a different car, the 2005 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

LEFT FRONT SPEAKER - BLACK 3 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	X53 18DG	LEFT FRONT SPEAKER (+)
2	-	-
3	X55 18DG/BR	LEFT FRONT SPEAKER (-)