Compatible with GMC Yukon Denali 2003-2006 OEM Speaker Replacement Harmony R5 R65 Package New

alright guys so I thought I'd give a an update on what I'm doing here so I pulled out the stock system in this Denali it was the stock bow system 2001 Denali here's the connector that goes into the back of a hit the regular head unit became with the came with the truck so in order to get the Bose sound I bought this and get it to focus there it's the 21a which is the one from my year so when I bought this pioneer thing was called 2x the e HX 6800 bluetooth bt connected the wires from the back of that into the front end of this pack module the interface and there are a few of these connections that had two cables like this one it's from of the speakers it has a single cable coming out of the Pioneer and then it has two cables going into the interface and they were both like rear back high and low but still positive and then this was the negative is down there somewhere but anyway this sh