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Unread 09-02-2013, 08:05 PM   #31
Godholio
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Quote:
Originally Posted by ancientspear View Post
Godholio, wouldn't that still leave us with the problem of spraying our cargo area with wiper fluid whenever someone hits the switch? Stopping an annoyance with a real defect is not a fix, I would rather duct tape my windshield to fix a crack than do the jumper thing if it means I can pump wiper fluid in the cargo area.
I don't think either of these wires has anything to do with the wiper or the washer. It would be beyond insanity to run that through the stereo system...they just share a harness with those wires.

The last post on that page, however, is completely accurate.

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Unread 09-02-2013, 09:21 PM   #32
JTPhoto
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Actually from what I can find in the wiring diagram, the black wire is the ground for all so it would definitely affect the wipers, defroster, and washer. Why send 2 wires all the way to the very back plug if they are not required for something else as well. A simple computer input could otherwise do the same.
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Unread 09-03-2013, 08:48 AM   #33
JoeBIII
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I have to think there's a circuit all the way back to the stereo - that is open if the top is off, and closed with the hard top on (and harness plugged in). We just need to figure out how the wires from the factory hard top harness map back to the radio. Tough for me to do though, as I don't have the hard top harness.
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Unread 09-03-2013, 09:22 AM   #34
Godholio
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Quote:
Originally Posted by JTPhoto View Post
Actually from what I can find in the wiring diagram, the black wire is the ground for all so it would definitely affect the wipers, defroster, and washer. Why send 2 wires all the way to the very back plug if they are not required for something else as well. A simple computer input could otherwise do the same.
Sharing a ground doesn't mean much...a lot of things share grounds without interfering with each other. I'm not saying you're wrong, but it depends on what signals are actually being sent through this harness, which so far nobody knows.
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Unread 09-09-2013, 07:43 AM   #35
ancientspear
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Ok I'm finally home. My 2013 (May production I think but I need to confirm) JKUR with dual top and 430N definitely has some volume change happening when you unplug that harness in the rear. Had someone listen to the sub while I plugged the harness in/out at a reasonable volume. What happened? We both heard a definite change but it wasn't as dramatic as many make it out to be. Also, no noticeable change in sound from the sub so it was definitely happening in either the front and/or sound bar speakers.

Question: I seem to recall a sound setting that does volume leveling based on speed but I can no longer locate it. Was I mistaken that we have this and I'm just remembering my old Kenwood/Pioneer decks from previous vehicles? Perhaps this feature on/off is more exaggerated with soft top removed and rather than increasing volume at higher speeds it's really just turning it down at slower speeds. I bring this up because if that feature is in our decks, perhaps turning it off would cancel out this side-effect we are talking about.
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