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Unread 11-21-2012, 11:14 PM   #1
PrestonMcRee
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Stock amp bypass? 2007 Grand Cherokee

Hi, I have a 2007 Jeep Grand Cherokee with the stock amplifier in the trunk. I'm trying to install my Alpine radio from my old car, but I have recently discovered that the wiring harness I bought for the Grand Cherokee won't work because it won't let me bypass the amp. It would be too much trouble to unhook the speakers from the amp. Help please! 😔

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Unread 11-23-2012, 10:25 AM   #2
lesterabjr
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You can get a bypass harness from crutch field that will let you install your alpine with no mods
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Unread 11-23-2012, 04:34 PM   #3
PrestonMcRee
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How much will one of those run me?
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Unread 11-23-2012, 07:32 PM   #4
lesterabjr
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Around $30 bucks
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Unread 11-23-2012, 11:17 PM   #5
PrestonMcRee
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Could you send me a link to one? Is there a local store i could get one from? Bestbuy etc?
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Unread 11-23-2012, 11:39 PM   #6
lesterabjr
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The company is crutchfield.com u can call till free their tech advisors will know exactly what you need they have free standard shipping as well
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Unread 11-24-2012, 04:23 PM   #7
w1pf
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might be a bit of an adventure if the JGC has the OEM Boston Acoustics system.

If so, all the speaker wires go to the left quarter panel, and only left/right (not even front/rear) audio go from the head unit to the amp.
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Unread 11-24-2012, 07:00 PM   #8
PrestonMcRee
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Yeah I have the Boston Acoustics system, which connects the speakers to the amp. I was already aware of that, that's why im looking for a wiring harness to bypass the stock amp. Because the regular wiring harness doesn't bypass it.
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Unread 11-25-2012, 03:33 AM   #9
w1pf
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The BA system only uses two audio outputs from the head unit, front/rear fade is done inside the amp. So, there is no simple way to get all the speaker wires up to the head unit area (the cable has to run from the amp area back up to the head unit)

http://www.metraonline.com/part/70-6504 might do it, not sure. Seems to be compatible with the 07 system, but I can't exactly tell what is populated in the connector.
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2014 WK2 Overland 5.9L
2007 WK Limited 5.7L
And some past Durangos
Red WK #19, Hemi #68.. I think..
Durango Owners Club DOTY 2011
-------
"Must have been that yesterday was the day that I was born"
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