Rear vents/USB port mod

edido

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Were you able to get this working?
Not yet, I just received the parts. The problem is that the harness, 32114-3K0-H00, doesn't fit the USB-C. I plan to stop by the dealer next week and hope one of the technician can help me to find the right harness.
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onepointsix

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Thanks for the update.

Mind taking a picture of the rear connector of the USB hub and the harness so we can see the difference?
 

edido

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I noticed the Integra A-Spec has different harness: 32114-T20-A40.
Maybe that harness has the right connector.
 

edido

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One more note:
- I saw this video (scroll to 13:00 min) posted by a member from Integra forum. He took apart the rear console and it looks like there is a cable inside the panel that came from factory. I wonder if it's the harness to supply power for rear USB-C?

11th Gen Honda Civic Rear vents/USB port mod Screenshot 2025-07-03 at 8.10.19 PM
 


edido

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The connector at the back of the USB USB looks same as mine. The harness end looks the same as well.
Screenshot 2025-07-05 at 11.58.56 PM.jpg
How did you pull the connector out? I took off the rear panel and I see the cable on the side. But is it connected to some plastic to hold it?
I plan to remove the whole console in a few days anyway. Just curious now :)
 

edido

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I ordered the 32114-T20-A40 harness. It should arrive in a week or so.
 

onepointsix

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How did you pull the connector out? I took off the rear panel and I see the cable on the side. But is it connected to some plastic to hold it?
I plan to remove the whole console in a few days anyway. Just curious now :)
Which connector? I had to cut the harness and tap into the 12V cigarette lighter. There wasn't anything to run the wire from the lighter to the USB hub in the back so I zip tied to keep the install clean.

Hopefully the other harness you order will fit. I'm curious to see if you'll have to cut as well or if it'll come with an adaptor to split power with one of the other ports in the console area.
 

Evox787

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Which connector? I had to cut the harness and tap into the 12V cigarette lighter. There wasn't anything to run the wire from the lighter to the USB hub in the back so I zip tied to keep the install clean.

Hopefully the other harness you order will fit. I'm curious to see if you'll have to cut as well or if it'll come with an adaptor to split power with one of the other ports in the console area.
Question you are doing all this effort for Honda parts to have USB-C on the rear? Because I installed on mine the mikstore kit but bought just the OEM portion of the vents because didn’t like the fitment, but I did not cut any wires not even lose air in the front. Is been a year almost I think and have no issues at all.
 


onepointsix

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Question you are doing all this effort for Honda parts to have USB-C on the rear? Because I installed on mine the mikstore kit but bought just the OEM portion of the vents because didn’t like the fitment, but I did not cut any wires not even lose air in the front. Is been a year almost I think and have no issues at all.
I just have USB ports in the rear. I was going to go with rear vents but feel the ventilation coming from under the seats is enough. Wasn’t much trouble installing though. The Mikstore kit comes with different harness and a T adaptor so I assume it’s sharing power with another port. I bought all my parts from a local dealership. I cut off the unusable end (OEM harness was made for CVT civics) and tapped into the 12V in the console. Just need to lengthen the wire to reach the rear.
 

Evox787

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I just have USB ports in the rear. I was going to go with rear vents but feel the ventilation coming from under the seats is enough. Wasn’t much trouble installing though. The Mikstore kit comes with different harness and a T adaptor so I assume it’s sharing power with another port. I bought all my parts from a local dealership. I cut off the unusable end (OEM harness was made for CVT civics) and tapped into the 12V in the console. Just need to lengthen the wire to reach the rear.
I just have USB ports in the rear. I was going to go with rear vents but feel the ventilation coming from under the seats is enough. Wasn’t much trouble installing though. The Mikstore kit comes with different harness and a T adaptor so I assume it’s sharing power with another port. I bought all my parts from a local dealership. I cut off the unusable end (OEM harness was made for CVT civics) and tapped into the 12V in the console. Just need to lengthen the wire to reach the rear.
Oh! I understand also way cheaper too because like other member here say if I do it again I really pass on this, 400 dollars to add vents that should be there or port that should be there. It’s can’t be weight savings because the car comes with subwoofer to mention one thing that can be unnecessary to use that line.
 

Westhaver

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One more note:
- I saw this video (scroll to 13:00 min) posted by a member from Integra forum. He took apart the rear console and it looks like there is a cable inside the panel that came from factory. I wonder if it's the harness to supply power for rear USB-C?

Screenshot 2025-07-03 at 8.10.19 PM.jpg
This cable is not related to the USB/rear vents. This goes to the immobilizer/key sensor held in by those two screws just outside/below the circle.
 

edido

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This cable is not related to the USB/rear vents. This goes to the immobilizer/key sensor held in by those two screws just outside/below the circle.
Right, I just read about it recently. It's still unclear how the rear USB-C is wired in Integra A-Spec with Tech Package. I thought that 32114-T20-A40 harness have some split cables, one part goes to the immobilizer/key sensor, and second goes to the rear USB-C. That's why I ordered the 32114-T20-A40 harness to try. Unfortunately, the dealer advice of using 32114-3K0-H00 was incorrect.
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