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Discussion Starter #1
Have someones 15 RGS here & installing a Amp ( NCA 450-RM ) and adding rear lids w/speakers and replacing the front speakers........

My question is has anyone did the install themselves and if so where did you get the rear input signal from ( the rear speaker plug is above the headlight ) But i have a hog tunes plug & play harness with a large plug for the rear of the ultra models ( doesnt exist on the FLTR's )

Im thinking it has to be off of that rear speaker plug from the oem H/U & use the RED & WHITE w/ 2 BLK wires from the amp to splice into for the rear input signal ?????

Then use the short harness for the rear output for the speakers going in the lids ???????
 

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I know nothing about Hog Tunes wiring but I do know how the channels hookup via harness plugs (the video shows with a Biketronics Line Leveler but it shows where the plugs are):

https://www.youtube.com/watch?v=nS6LfH-jozQ

The stock RGS doesn't have the rear channel active, you need to go to the dealer and get a stock Ultra flash (0 amps, 4 speakers), that will "unlock" the rear channel and will give you access to the fader option in your head unit.
 

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Discussion Starter #3
yes i know about the rear channel being locked since there were no rear speakers on the bike thats why im thinking i will have to spice into the rear speakers plug thats located above the headlight unit and then get the bike flashed and it should be fine BUT ill wait til monday and double check with Hog Tunes,

i was just wondering if anyone else has gone thru this issue with Hog Tunes on a 15-16 RG
 
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