I'd like to convert the 12V outlet in my 2020 MSLR+ to unswitched (I want it always to have power, regardless of the car "awake" or not).
Does anyone have a hardware and/or software solution for this? Is there a relay I can bypass? (see the TL;DR below for the relevance of that question)
I would ideally like to avoid tapping/pulling wires/drilling holes. The first solution below seemed made-to-order... but apparently only works on pre-2016 cars.
Same question, BTW, for USB power, if that's possible....
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The TL;DR stuff below is what I've found so far. Prior work is in subdued text (first two bullets); regular text is where (I think) I've found what applies to me, and I'm looking for any help to narrow it down further:
So, that's my research so far. Can anyone confirm "how" the 12V outlet is switched in current cars? Is there a relay I can just bypass? Any other quick-and-dirty solutions that don't involve drilling holes in my brand new car?
If I can't get anywhere with this, I assume the next least-invasive way to do it is to find an unswitched 12V source in the center panel (behind both kick panels, I believe?), tap into that, run a wire to the back of the center console, and swap the existing +12V (switched) wire on the outlet for this new +12V (unswitched) wire (and hope it's got an appropriately-sized fuse on it??). I can't believe this hasn't been done already, though--I just need someone smarter than me to point me in the right direction.... Please!
Does anyone have a hardware and/or software solution for this? Is there a relay I can bypass? (see the TL;DR below for the relevance of that question)
I would ideally like to avoid tapping/pulling wires/drilling holes. The first solution below seemed made-to-order... but apparently only works on pre-2016 cars.
Same question, BTW, for USB power, if that's possible....
=========================================
The TL;DR stuff below is what I've found so far. Prior work is in subdued text (first two bullets); regular text is where (I think) I've found what applies to me, and I'm looking for any help to narrow it down further:
- @Ingineer posted this: Near annual replacement of 12V battery is typical according to Tesla Service Tech
- @Tree95 followed up with pics here: Near annual replacement of 12V battery is typical according to Tesla Service Tech
- This gave me great hope, since a simple bypass to turn my already-installed outlet from switched to unswitched is what I want
- Alas, this was for pre-2015 cars
- Deeper searching found this: @RamshakleZ posted pics Fuse Box in Refreshed Model S
- @obrien28 followed up with a diagram Fuse Box in Refreshed Model S
- This fuse box matches visually what I have; closer inspection, though, it's a different part number. Apparently further changes made in 2016...
- ...which led me to @FlatSix911's post Fuse Box on 2016 S
- He also confirmed the part number (on the fuse box cover) is the same as mine (1119059-00-A), here: Fuse Box on 2016 S
- The diagram states "no serviceable relays in cabin fusebox"; there are two fuses there labeled for 12V outlet (F202 & F207); I see no reference to 12V outlets in the diagram for the frunk fusebox
- I also see @appleguru's enigmatic post here: 12V Accessory Circuit connection?
- Calls out the two 12V circuits for the one that's installed, plus a "hidden" one. Further posts in that thread indicate that the "extra," "hidden" one is on fuse F202 (implying F207 is the factory-installed outlet).
- I wonder how much surgery would be required to "swap" these circuits (assuming I can't find an easier way a la the relay bypass from @Ingineer's original post)...?
So, that's my research so far. Can anyone confirm "how" the 12V outlet is switched in current cars? Is there a relay I can just bypass? Any other quick-and-dirty solutions that don't involve drilling holes in my brand new car?
If I can't get anywhere with this, I assume the next least-invasive way to do it is to find an unswitched 12V source in the center panel (behind both kick panels, I believe?), tap into that, run a wire to the back of the center console, and swap the existing +12V (switched) wire on the outlet for this new +12V (unswitched) wire (and hope it's got an appropriately-sized fuse on it??). I can't believe this hasn't been done already, though--I just need someone smarter than me to point me in the right direction.... Please!