Boston acoustics wiring
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  1. #1
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    Default Boston acoustics wiring

    Hi all,
    I have fitted an aftermarket head unit (Wince S160) to my 2007 Caliber 9 speaker BA system. The new unit came with adapters , harnesses , etcí
    everything seems to be working but I donít think my subwoofer in the back is working. The new head unit has an orange wire labelled AMP/C which I assume is for amplifier control but it isnít connected to anything. The only wire on the original stereo harness socket that isnít connected to the new one is a Red/blue looking wire (second pin in next to the yellow on the line with 4 blank pins) would this be for the subwoofer trigger ?
    any help before I blow something up is much appreciated.
    thanks in advance.

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  3. #2
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    There is an answer on the forumz if you want to keep looking.
    From poor memory it was the component that would not work without Canbus.
    I think he put in a new subwoofer. Most others going aftermarket did not have the premium setup.
    replaced - hub bolts, warped rotors, 3 batteries, 2 screens, 12 alloy wheels, seat cover, armrest, Track-rod ends, clutch master cylinder, LH tail unit, LCAs, rear toe link,

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    I think I did see that post but Iíve been looking all day and getting confused now, lol.
    I have tried to find the wiring diagram for the BA setup but no mention of the wire Iím looking at.
    I do have canbus and an adapter came with the new unit, my SW controls all work and all speakers including the drop down rears work, its just the subwoofer with no sound.
    The orange wire on the new harness is for the amp control but it isnít connected to anything, itís very annoying as everything else is so straight forward.
    If I could just find out what that original harness wire does, then I would be happy.
    Is there a full schematic to the BA wiring from the original head unit anywhere ?
    Thanks

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    4ED9F7F8-731D-4308-8DD7-BE95A80D9779.jpg
    This is the wire from the original radio loom, it is grey/red
    does anyone know what it does, it doesn’t connect to the new loom, just wondering if it is the subwoofer trigger wire ?
    thanks !!

  7. #5
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    Put 12v to it and find out.

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    Quote Originally Posted by Tonatom View Post
    Put 12v to it and find out.
    I gave up smoking, lol

  9. #7
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    Quote Originally Posted by Ragpuss View Post
    4ED9F7F8-731D-4308-8DD7-BE95A80D9779.jpg
    This is the wire from the original radio loom, it is grey/red
    does anyone know what it does, it doesnít connect to the new loom, just wondering if it is the subwoofer trigger wire ?
    thanks !!
    The subwoofer wire is digital not a power wire. It goes to a control box behind the headunit, then an amp under the cargo floor, and finally a box in the sub woofer cubby enclosure.

    There is a how to in the knowledge base.

    http://www.caliberforumz.com/showthr...ate-sub-(pics)
    replaced - hub bolts, warped rotors, 3 batteries, 2 screens, 12 alloy wheels, seat cover, armrest, Track-rod ends, clutch master cylinder, LH tail unit, LCAs, rear toe link,

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    Thanks for the reply,
    changing the amps is more trouble than I want as all the speakers except for the sub are working, I was hoping that the new harness just needed the trigger wire spliced in separately as it comes with an orange sub trigger wire, then I saw a wire on the old connector that now goes nowhere and just hoped it would be that easy it never is, lol.
    I guess I’ll just run the system without a sub, even the gate speakers work so it’s very odd but it sounds good enough and still has bass just not that nice meaty sub bass :/

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