Long story short, I ordered my truck without the Alpine system so I could do my own build. Over the last couple of months I've looked for a harness that I could use so that I did not cut any of the stock wires. I could not find any and was about to try and source the parts and build it myself. I had looked months back at Match and did not see anything, however last week I found this.
It is fully populated and has the speaker wires already separated out. I'm simply going to cut their plug off and put an 8 way Deutsch plug on each set. Other than that you just need to connect the ground wire that they have separated and get rid of the pwr/grd connector that is not needed.
HELIX PP-AC16a Plug and Play Harness Connects a Helix processor/amplifier to select 2012-up Dodge and Fiat vehicles at Crutchfield.com
It is fully populated and has the speaker wires already separated out. I'm simply going to cut their plug off and put an 8 way Deutsch plug on each set. Other than that you just need to connect the ground wire that they have separated and get rid of the pwr/grd connector that is not needed.
HELIX PP-AC16a Plug and Play Harness Connects a Helix processor/amplifier to select 2012-up Dodge and Fiat vehicles at Crutchfield.com