DIY help
 

This is my first post, but i've been a member scoping the place for a while. I have a 2009 370z, Bose non-nav touring model. I added a Kenwood DDX419 but now i'm trying to add an old Elemental design(ED) sub/amp combo i've had sitting around the house in the car. Is there a complete DIY for how this should be wired? I'm having trouble finding many topics on this and can't seem to figure it out. I think I may have even ruined my amp now...

The way I have everything wired right now is the HU remote wire is going to a relay which is then going to the remote wire on the factory harness for the stock bose amp and the remote wire to my elemental design subwoofer amp.

Now at first, I didn't connect the bose remote wire to the HU to see if my amp would turn on to test it, it did. Then I tried connecting both Bose and ED remote wires to the HU and the ED amp won't turn on. When I check the voltage going to the ED amp, it says only 3V with the car on. With the car off, its getting 12V like it should. I tried a second Rockford Fosgate amp i had lying around to see if its the same, it does pretty much the same thing. I get 12V to the RF amp like I should when the car is off, and then around 6V to the amp when the car is on.

I still am getting sound from all speakers and the stock bose sub... Any help is appreciated. Thanks

Sounds like your wake up wire is either being grounded out somewhere or your relay is red wrong.

But the stock bose amp is working cause its powering the other speakers. I also tried it first without the relay. Same thing. Both power from the batt and rem wire is showing 3V when the car is in the ON position and when started.

I'll check for loose ends somewhere

amp turns on now, i think the ground spot i chose was bad, so I filed it down to get a better contact point and now it on.

Next problem, the sub barely hits, it seems like all the bass is going to the bose system. Adjusting the gain isn't doing anything. Does the bose system need to be bypassed somehow? I disconnected the sub in the spare tire as well.

Got it, turns out when I use bluetooth to play music wirelessly, the sub doesn't seem to pick up the signal... I don't get that. Through aux cable, it's fine though