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    Thread: DIY 12v sockets (always hot)

    1. Member azthegame's Avatar
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      12-15-2012 04:42 PM #1
      Just put the mod into my Jetta. Works great I remember seeing this method last year but cannot find it on this forum at all... only for the mk6 golf, which I used that DIY to do this to my golf as well.

      Time to complete: 5min

      Items needed are as follows:
      1. Inline fuse holder that can handle 20A at minimum --> example pic , preferably one that takes a fuse the same size as original so you can reuse your fuse. If not get a fuse of the appropriate size.

      2. Male bladed interconnects --> example pic

      3. Crimpers to crimp the interconnects to the ends of the fuse holder wires.

      There may be more than one fuse box layout. But in any case, there should be a blue socket somewhere. One end of the inline fuse holder needs to be plugged into the upper left corner of that blue socket if your layout looks like mine and the other end plugged into the lower half of where the original fuse was for the sockets. Check the fuse diagram to verify your correct fuse, located in the fuse diagram in the diy thread. My locations can be seen in my pic below. Total cost less than 6 bucks.



      Enjoy your ability to charge your phone when car is off.

      For an alternate location to tap in to, in case the blue socket might be taken. Here is another thread showing an alternative. https://forums.vwvortex.com/showthrea...to-12V-outlets
      Last edited by azthegame; 03-23-2013 at 09:34 AM.

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    3. Junior Member project15's Avatar
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      12-15-2012 11:08 PM #2
      So how long can your battery last when you forget to disconnect something overnight?

    4. Member azthegame's Avatar
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      12-15-2012 11:27 PM #3
      Probably a very long time just like other makes of cars do that have this by default

      My 2000 Ford Taurus had this ability. Is ridiculous not having it.

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    6. Junior Member
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      12-16-2012 12:14 AM #4
      Thanks for the tip! My '02 A4 had this feature, and I was surprised that the Jetta doesn't.
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    7. Member CJetta821's Avatar
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      12-16-2012 12:50 AM #5
      Hmmm ideas...I might do this
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      12-16-2012 04:18 AM #6
      Quote Originally Posted by project15 View Post
      So how long can your battery last when you forget to disconnect something overnight?
      It depends on the amperage draw; leaving a power converter on, for example, would probably kill your car overnight, whereas leaving a phone plugged in probably would not. If you wanted to do something more extreme you could wire in another battery or capacitor that would disconnect from the main battery when the car is off but still provide power to the plug, but for most people that would be overboard.

    9. Junior Member dhaberer's Avatar
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      12-16-2012 09:20 AM #7
      Thanks. Doing this today. Our Armada has this on 2 of the outlets (one front and one in the far back). We've used it for charging phone for hours, along with powering air pumps and other devices. That may have a larger battery, but the drain doesn't seem to do much. I guess if your battery is in need of replacement, it could be an issue, but we've never had a problem.

    10. Member Bosley's Avatar
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      12-16-2012 10:56 AM #8
      Quote Originally Posted by NE-TT View Post
      It depends on the amperage draw; leaving a power converter on, for example, would probably kill your car overnight, whereas leaving a phone plugged in probably would not. If you wanted to do something more extreme you could wire in another battery or capacitor that would disconnect from the main battery when the car is off but still provide power to the plug, but for most people that would be overboard.
      Absoutely right. I'm a licensed electrician, I know. If you're phone is active overnight it will draw power from the battery of course. But once it's fully charged power transfer will stop until the phone battery is drained (or again if the phone is on). iPhone chargers use roughly 1 Amp at 5 Volts, so it would literally take days to drain your car's battery (if it was full mind you).
      "If horsepower is the cake, then torque is the thick layer of creamy frosting. Yum." Christian Wardlaw, cargurus.com

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    11. Member VR6_EURO's Avatar
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      12-16-2012 04:27 PM #9
      Just finished doing the mod myself. Luckily I had an extra fuse holder laying around. Took me no longer then 3 minutes. Not worried about draining the battery. What's great about this is that the rear power socket is always hot as well awesome write up thanks!

    12. Semi-n00b
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      12-20-2012 12:36 PM #10
      That blue socket isn't open on my 13 GLI w/ Nav. I found an open slot below and to the left of the cigarette lighter. I don't have a voltometer, but it seems to be working. Is there any chance of damaging the car or what I plug into the cigarette lighter?

    13. Member azthegame's Avatar
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      12-20-2012 01:25 PM #11
      I wouldn't think so. The circuit you created, no matter where it is being drawn from, is only going to those 12v sockets.And since you are keeping it fused, then you should be protected i would imagine.

    14. Member CJetta821's Avatar
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      12-29-2012 02:53 PM #12
      Didn't work
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    15. Member VR6_EURO's Avatar
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      12-29-2012 09:29 PM #13
      Quote Originally Posted by CJetta821 View Post
      Didn't work
      Double check if it's wired right

    16. Member CJetta821's Avatar
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      12-29-2012 10:20 PM #14
      Quote Originally Posted by VR6_EURO View Post
      Double check if it's wired right
      Yeah I checked. I pulled right fuse cause I was putting my phone hooked next to me see if it was charging and it was before I pulled fuse. So that's good, then I found the only blue socket (top left corner) where no relays were plugged in, and used all four slots and nothing. I pushed in all the way thinking maybe it was that...nothing....
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    17. Member azthegame's Avatar
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      12-29-2012 11:34 PM #15
      Even though this sounds like a no brainer, did you put a fuse in it? Lol. Or maybe the blade is on the top half of the old location instead of the bottom by mistake?

      Sometimes the plastic base of the connector hits before the blade can become secure. Triple check that. This should always work.

    18. Member CJetta821's Avatar
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      12-30-2012 12:09 AM #16
      Quote Originally Posted by azthegame View Post
      Even though this sounds like a no brainer, did you put a fuse in it? Lol. Or maybe the blade is on the top half of the old location instead of the bottom by mistake?

      Sometimes the plastic base of the connector hits before the blade can become secure. Triple check that. This should always work.
      Yeah I got a 20 Fuse in lol. (That would of stupid lol). So you think maybe it's just not touching? I tried both half of the old fuse spot.
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    19. Member azthegame's Avatar
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      12-30-2012 04:09 AM #17
      Its the only thing that could possibly be wrong. Does it still work with car on at least while in the supposed correct modified way? If it doesn't power on at all then you know its not making contact. If you take the fuse out and leave the two connections in, putting a volt meter across the fuse slots should give 12v. You can leave the one wire in the bottom half of original fuse location and swap the top connection from place to place til the meter says 12v, then pop fuse in.

      Post a pic of what it looks like in the way you felt it was correct

    20. Member CJetta821's Avatar
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      12-30-2012 07:14 AM #18
      Ill give it a shot. Cause yeah wasnt powering on at all.
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    21. Member badufay's Avatar
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      03-09-2014 11:20 AM #19
      I just did this yesterday on my 12' Jetta SE. I ended up using an empty fuse spot on the bottom row because the flat connector seemed to fit much more secure compared to the empty relay spot. Either way, it fixed one of the few complaints we had about the car!

      Ben
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    22. Member quaudi's Avatar
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      04-11-2014 07:43 PM #20
      I have been searching for eight months....where the h*** is this fuse/relay panel located?
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    23. 09-22-2015 06:05 PM #21
      Everything went well!
      Last edited by Ambroisy2; 09-23-2015 at 09:06 PM.

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      05-13-2018 01:28 PM #22
      Ok so the pictures link is dead....


      In a canadian trendline manual TDI golf wagon (JSW in US) the fuse box is on the side of the dash obstructed by the driver's door, when closed.

      Between the pillar and the vent (but on the driver side):

      Once you take that out with a flathead screw driver (or some fancy plastic tool) you will see the fuses. They even provide the plastic tool to use for pulling fuses.

      Now I managed to guess the correct one in 2 tries, it's the lowest 20A furthest from the front of the car. There was only 3 fuses front to back: 40 - 20 - 20. The last 20A.

      But you can guess it'll be a single 15 or 20A so you can put your phne charge in the socket, turn the key to ignition and pull the fuses until your phone doesn't charges. USE THE PLASTIC PLYERS PROVIDED. the fuse box will be live so don't use long nose metal plyers...

      I also found this handy site: http://fusesdiagram.com/volkswagen/f...en-golf-6.html

      F42 is the one for the sockets (front and back). After 15 minute dicking around, I manage to figure out that fuse F24 "Multifunction Control Module" is always on. Don't ask me what it is or what it does but it's on.

      So if anyone is trying this, you now know which fuses interest you. Follow the procedure outlined in OPs post and use those fuses.

      I'll update this when I do it myself.
      Last edited by Mrblah; 05-13-2018 at 11:42 PM.

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      08-11-2018 03:30 AM #23
      Quote Originally Posted by Mrblah View Post
      F42 is the one for the sockets (front and back). After 15 minute dicking around, I manage to figure out that fuse F24 "Multifunction Control Module" is always on. Don't ask me what it is or what it does but it's on.

      So if anyone is trying this, you now know which fuses interest you. Follow the procedure outlined in OPs post and use those fuses.

      I'll update this when I do it myself.
      Did you ever do this yourself?
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