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

Trailer Tow Module Connector End View (C3)

WARNING: This page is about a different car, the 2006 Jeep Commander. However, it is still accessible from the selected car via links, so may be relevant.

MODULE-TRAILER TOW C3 - 4 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	-	-
2	L70 18WT/GY	FUSED PARK LAMP FEED
3	-	-
4	L7 18WT/YL	FUSED PARK LAMP FEED