capt512 Posted June 13, 2013 Report Share Posted June 13, 2013 Need some help guys, I got the Avic-Z140BH as the appropriate suggested wiring harness,XM tuner, backup camera, and dash kit. So I am trying to solder up thewiring harness from the new unit to the wiring harness adapter and foundthat in the manual it states you connect the right rear speaker wiresto the sub and don't connect the left rear speaker wires.... So thismeans my rear speakers won't be hooked up...and instead my sub will.How do I hook up my factory amp/sub and keep my factory speakers also? I am installing in a 2003 Mercury Marauder which has a factory sub/amp in the trunk. So my total setup is 2 front door speakers, 2 rear deck speakers, a rear deck sub, and a rear deck amp. (sub and amp are all packed together).The manual states "When a subwoofer is connected to this navigationsystem instead of a rear speaker, change the rear output setting in theinitial setting. (Refer to the Operation Manual.) The subwoofer outputof this navigation system is monaural." Then a little below that, "Whenusing a subwoofer of 70W, be sure to connect with violet andviolet/black leads of this navigation system. Do not connect anythingwith green and green/black leads."The speaker colors are as follows:Left Front - White & White/BlackLeft Rear - Green & Green/BlackRight Front - Gray & Gray/BlackRight Rear - Violet & Violet/BlackThen if connecting sub Green & Green/Black not used. Violet &Violet/Black connect to sub only. Therefore no rear speakers... Help? Quote Link to post Share on other sites
Staize Posted June 18, 2013 Report Share Posted June 18, 2013 I'm guessing the 'sub' that the manual is referring to is an aftermarket sub. If you have purchased a wiring harness for your vehicle, and you make all the straighforward color matched connections, everything should continue to function. The wirig harness you have that will plug into your vehicle will most likely use the remote wire to power your factory amp, which will power your factory sub. The connections you make for the speakers will most likely feed input to your factory amp and thus provide sound to all of your speakers. Unless you're installing any aftermarket items, you can probably disregard. Quote Link to post Share on other sites
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