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Headunit swap issues infinity gold

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Old Aug 2, 2018 | 08:08 AM
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Default Headunit swap issues infinity gold
wired in a new head unit and I have power but no sound expect for a constant buzzing from the rear right
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Old Aug 3, 2018 | 05:54 AM
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First check for correct wire color connections. The following link states the ZJ wire color and function, match to corresponding function on radio.
https://www.the12volt.com/installbay...tail/1226.html
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Old Aug 4, 2018 | 12:08 AM
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Sadly it is correct
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Old Aug 7, 2018 | 06:10 PM
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Im assuming this is an aftermarket head unit? Did you connect the amp ground wire to it? I read somewhere that if its not connected, no sound. I never had this issue tho as all my vehicles are still rockin the factory tape decks.
Last edited by fb97xj1; Aug 7, 2018 at 06:12 PM.
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Old Oct 9, 2018 | 09:01 AM
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Originally Posted by fb97xj1
Im assuming this is an aftermarket head unit? Did you connect the amp ground wire to it? I read somewhere that if its not connected, no sound. I never had this issue tho as all my vehicles are still rockin the factory tape decks.
as far as I know no because the amp recives everything from the ecu. The ecu has wired that go to the headunit which aren’t connected due to the fact Idfk what to do with them lol
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Old Oct 9, 2018 | 10:04 AM
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Originally Posted by Redneck244

as far as I know no because the amp recives everything from the ecu. The ecu has wired that go to the headunit which aren’t connected due to the fact Idfk what to do with them lol
Shouldn't be anything ECU related to the stereo/amp wiring.

Take a look at this:
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Old Oct 9, 2018 | 01:03 PM
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Originally Posted by firebane
Shouldn't be anything ECU related to the stereo/amp wiring.

Take a look at this:
no clue. As far as I know the ecu sends signal to the amp. The ecu has 2 wires that go into the head unit. If these wires are taped together the vehicle stops running
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Old Oct 9, 2018 | 01:11 PM
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Originally Posted by Redneck244

no clue. As far as I know the ecu sends signal to the amp. The ecu has 2 wires that go into the head unit. If these wires are taped together the vehicle stops running
Are you thinking BCM? That would possibly make a bit more sense.

https://metroroomph.com/97-jeep-gran...iring-diagram/

Even that doesn't show anything.
Last edited by firebane; Oct 9, 2018 at 01:13 PM.
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Old Oct 10, 2018 | 08:14 AM
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Originally Posted by firebane
Are you thinking BCM? That would possibly make a bit more sense.

https://metroroomph.com/97-jeep-gran...iring-diagram/

Even that doesn't show anything.
it’s the “pci bus” it’s a connector with only 2 wires. If you touch em together it’ll kill the vehicle and I believe that that’s what is keeping me from getting sound
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Old Oct 10, 2018 | 09:38 AM
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Originally Posted by Redneck244

it’s the “pci bus” it’s a connector with only 2 wires. If you touch em together it’ll kill the vehicle and I believe that that’s what is keeping me from getting sound
PCI bus is for the CD changer and or steering wheel controls. If you touch the wires your probably grounding something out or causing a short.
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