Hop this helps out my fellow VQ brothers and sisters. If anyone finds typos, issues, or something else please let me know. Whenever you adjust the bass setting on your head unit this will also change the signal going into the amp so it will still work! I wanted full control so I added a bad **** but the head unit is a good way to adjust if you're not going from one extreme to the other. AFter setting my amp and sub up the way I did, I was super happy with the results! Sounds clean, loud, and responsive. A line output converter, or LOC, is used whenever your taking high signals (speakers or full range) and converting them to low signals for an amplifier input which is then amplified and sent out to the sub (this way can sound like crap at times depending on your LOC or setup). This is great because you dont need a line output converter. The bose head unit sends a low input signal to the bose amp in the trunk which is also what most aftermarket amps look for at the RCA inputs. There are others way to go about adding a sub, but IMO this is the best way. The right (+, -) will connect to the brown and yellow (factory amp) wires that you tapped into. The left ( +, -) will connect to the Sky blue and violet (factory amp) wires that you tapped into. One side of the RCA cable is LEFT (+, -) and the other side is RIGHT (+, -) I used butt splices for the RCAS because i didn’t want to take the time to solder them into the factory harness. The insulated wire in the RCA cables are going to be positive and the non-insulated wire is negative. THIS IS VERY IMPORTANT!! DO NOT MIX THIS UP mine were wrapped around each other but i just separated them. you will find two small wires under each side of the cable. NEXT strip each side of the RCA wires very carefully. (i only needed about 5 feet so i “measured” 5ft from the end i was keeping) Using 18 gauge wire, I tapped into the factory harness using wire taps and then twisted the L(+-) and the R(+-) together so i would not get them confused.ģrd - Get a regular set of RCA cables and cut one end off of the RCA’s. IMPORTANT if your amp is sensitive or needs at least 12 volts for a turn on signal to work, then #20 will not work because the BOSE amp only receives about 10.5 volts when the car is running for its turn on signal. The letters on the left symbolize the color of the wires. Here are the wires you’re going to use for a signal along with the diagram. You will tap into this side so open up the black wrapping and pull it back to expose the wires.Ģnd - You’re going to need to tap into a total of 5 wires. NOW, unplug the right harness that you see in this photo by pressing in the small plastic lock (located in the middle of the clip on the bottom side) and pulling towards the back of the car. Once you remove the clips and drop the cover you will see the amps in the Left corner. Use a sharp flat head screw driver to pop out the 3-4 clips holding it in. I will post how i got it through the fire wall though)ġst - you need to expose the factory amps that are mounted to the ceiling of the trunk by removing the top cover/carpet. (i already buttoned up all that before i started this thread so i will not be ripping apart the interior panels to take pics again lol. Here are some pics and steps.ĪFTER running your power wire and ground wire to the trunk, or wherever you want to keep your amp, you need to tap into the factory audio system. So now i am going to share it on here hoping I can help after seeing all the confusing posts and questions. Alright ladies and gents… after searching different threads and even forums I finally got my system working the way it should.
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