I have the 2006 RF HU in my 2004 and it works. The Aux input level is also much better.
bestatchess · Premium Member Joined Feb 8, 2004 · 17,244 Posts #2 · Jan 26, 2011 View full thread I have the 2006 RF HU in my 2004 and it works. The Aux input level is also much better.