Any way to keep 12v on when car is off - Page 2
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Thread: Any way to keep 12v on when car is off

  1. #16
    Registered User fishEH's Avatar
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    I went to attempt this just now and encountered this when trying to pull the passenger side trim?
    What is this witchcraft and how does one defeat it!??
    2015 Honda Odyssey EXL
    1996 Land Rover Discovery
    1995 Land Rover Discovery
    1994 Land Rover Discovery

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  3. #17
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    John, looked on my manual.. It's for 2014 oddy could it be different. I think mine is in driver side box and it's 13? (accessory)?

    Sent from my E6653 using Tapatalk

  4. #18
    Registered User John Clark's Avatar
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    That's the fuse for it but not the relay. You need to go to the relay. I brought up the Electrical Troubleshooting Manual again and it looks like it's actually #7 in the diagram for the passenger side fuse panel. This manual is 100% online and each browser renders it a bit differently.

    Any way to keep 12v on when car is off-screenshot-2017-01-01-17.52.21.jpg

    Any way to keep 12v on when car is off-screenshot-2017-01-01-17.52.08.png
    2008 Odyssey Touring-Silver
    2011 VW Jetta SE-Black
    2002 GMC Sierra SLT LB Z71-Red
    1998 Nissan 200SX SE-Blue

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  6. #19
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    Thanks John.. I will take a look again. I later thought that user manual only has the fuses but thanks for the confirmation and the info.

    Sent from my E6653 using Tapatalk

  7. #20
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    Quote Originally Posted by shadisoft View Post
    Thanks John.. I will take a look again. I later thought that user manual only has the fuses but thanks for the confirmation and the info.

    Sent from my E6653 using Tapatalk
    My passenger under dash fuse box looks different.



    I only see one relay. What am I missing?

    Sent from my E6653 using Tapatalk

  8. #21
    Registered User fishEH's Avatar
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    Quote Originally Posted by shadisoft View Post
    My passenger under dash fuse box looks different.



    I only see one relay. What am I missing?

    Sent from my E6653 using Tapatalk
    You have to take the trim off, the rest is behind it. I couldn't figure out the fastener/release though, haven't heard anything back from my question above about it, and haven't revisited it since.
    2015 Honda Odyssey EXL
    1996 Land Rover Discovery
    1995 Land Rover Discovery
    1994 Land Rover Discovery

  9. #22
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    Quote Originally Posted by fishEH View Post
    You have to take the trim off, the rest is behind it. I couldn't figure out the fastener/release though, haven't heard anything back from my question above about it, and haven't revisited it since.
    Aha. There is more behind this. OK thanks. Might be something to do in the spring when it's warmer.

    Sent from my E6653 using Tapatalk

  10. #23
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    Quote Originally Posted by pkrface View Post
    It's surprising that Honda has held out so long on the 12V power issue. My company car, 2016 Ford Explorer, has retained power to the 12V outlets for a period of time which is nice. I can leave my phone in the car to charge while I'm in a meeting, at lunch, etc. I don't know for sure how long the timer is or if it is based on voltage drop, but both technologies exist at very low cost so it would be nice if Honda incorporated it into future models.

    John, you're just the kind of guy to create a jumper with a timer built in! I'd buy it
    Well, depends on what people's need. For me, this is good thing because I use the socket for dash cam camera. I don't want power stays on when the car is off.

    I had Toyota Tundra before was like that. I had to get a usb adapter so I could turn on/off every time. Hated it.
    2016 EX-L

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