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ARMANDO PADILLA

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There is no 12v in CT…
Wrong answer, there is definitely 12v in the CT if you know where to look.
one area would be the trailer lights connector socket.
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dalton108

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Wrong answer, there is definitely 12v in the CT if you know where to look.
one area would be the trailer lights connector socket.
Yep just like you said, Munro & Co. showed that in their initial teardown.
 

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From a Google search so I don’t know if true. But the CT has a 48-volt electrical system, which includes auxiliary power feeds in certain areas, such as the front trunk (frunk). However, these auxiliary power feeds are configured for 48 volts, not the standard 12 volts commonly used for many automotive accessories. To use 12-volt accessories, a step-down converter is necessary to convert the 48-volt supply to 12 volts. For instance, T Sportline offers a 48V-to-12V voltage conversion system specifically designed for the Cybertruck’s auxiliary power feed.

if there is a 12V cigarette lighter connection, where is it? Could you post a picture? Thank you.
 

ARMANDO PADILLA

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there is 12v in the trailer lights conector how else would you power the 12v lights on your trailer?

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jf64k

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Do they mention CFM or something like that for the compressor? I bought it, instantly regretted it and tried to cancel on the mobile app but couldn't figure it out, and then it shipped. I saw on the web version of the tesla shop where I could cancel afterwards.

IF this thing can do a higher volume of air then a traditional car inflatror, then I won't feel that bad for buying. I have things like inflatable SUP and SPAs that need a higher volume air compressor that can do like 10 PSI. My 18V Ryobi won't do that. The high volume side does like 1 PSI and the tire side that can do 100 PSI is too low of a volume to make sense for inflating things like the CyberTent which I also bought and somewhat regret... :)
The Tesla shop takes returns and pays return shipping. The only time that won’t work is if you used the one-time-use $2,500 voucher to pay. Then it’s exchange only.
 


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From a Google search so I don’t know if true. But the CT has a 48-volt electrical system, which includes auxiliary power feeds in certain areas, such as the front trunk (frunk). However, these auxiliary power feeds are configured for 48 volts, not the standard 12 volts commonly used for many automotive accessories. To use 12-volt accessories, a step-down converter is necessary to convert the 48-volt supply to 12 volts. For instance, T Sportline offers a 48V-to-12V voltage conversion system specifically designed for the Cybertruck’s auxiliary power feed.

if there is a 12V cigarette lighter connection, where is it? Could you post a picture? Thank you.
There’s no cigarette lighter connection. What you would see in the video that I mentioned is that while many of the components are 48v, a significant number are not including, I believe, the seat motors. There are others, however, I don’t remember which b/c it’s not particularly important to me. But there are 12v electrical devices all over the car - this was not a wholesale switch over to 48v architecture. Not cost-effective in one fell swoop, and it would require Tesla to make a whole bunch of menial components that even they don’t currently produce.

So, these step downs are happening all over the place and what @armando-padilla is saying that if you know where to look there’s plenty of places where you can tap into 12v, but none of them are as simple as plugging in a cigarette lighter.

*Trailer hitch, as he just showed, being an obvious and accessible one.
 
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ARMANDO PADILLA

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you could use one of these $2 ebay and get a 12v supply!
white is ground or negative and brown would be positive 12v or Running lights
you don't need the yellow and green wires those are for turn signals and only flash on off when you use the turn signal.

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arodriguezfeo

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Thank you for sharing with me. So there are 12v just not as easy as plugging in cigarette lighter. I guess if I already had a solid compressor with 12v, I would try to work out a solution, but I don’t. I need to buy one.

I have the smaller Fanttik and actually used it to top off CT without issue. It just took a while.

The bigger Fanttik looks great though the airflow is not as good as the plug in TC BL noted earlier on this thread.

And of course, I can find anywhere that shows flow rate for the new CT compressor, which I bought and arrives tomorrow. I’m waiting for the video review on it to see how it actually performs. If it’s not as good as TC BL, I’ll think about returning or selling.

I appreciate the support here.
 


ARMANDO PADILLA

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I already own too many small air compressors to justify me buying the tesla overpriced $550 and out of stock compressor heres my compressors I already own.

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And of course, I can find anywhere that shows flow rate for the new CT compressor, which I bought and arrives tomorrow. I’m waiting for the video review on it to see how it actually performs. If it’s not as good as TC BL, I’ll think about returning or selling.
I've been using the TC BL compressor for over 6 months and it's a powerful little unit. Based on what I've heard about the Tesla inflator, the TC BL compressor is faster and more powerful. But that would only matter if you're going to pair it with a 4-tire inflation hose system that can re-inflate all four tires simultaneously. If doing one tire at a time both inflators will be limited by how much air a standard Schrader tire valve can flow. With tires as large as the Cybertruck runs, the Schrader valve is the limiting factor, that's why off-roaders adopted the 4-tire filling system.

The Tesla unit looks to have a useable pressure shut-off system, making it automatic. The TC BL is best shut-off manually, because it doesn't have controls to deal with the back pressure that builds up between the compressor and the tire valves, and you can only set the shut-off pressures in 5 psi increments. So it's designed more as a compressor than an automatic tire inflation inflator like the Tesla unit. It's best used manually, with a pressure gauge built into your inflation system.

I use worm style tire plugs, they can perform temporary emergency repairs on a wider variety of tire damage, especially if you get creative with them, but don't have the ease of use of the sealing goop that comes with the Tesla inflator.

Neither one is "better", they just fill different needs. If outright speed of inflation of four tires is most important, get the TC BL and a four-way inflation hose with a gauge. If convenience and built-in accuracy of filling one tire at a time is most important, get the Tesla inflator. The Tesla inflator comes with tire sealing goop which I don't carry, nor would I want to use it. You have to pay for that. A worm style flat repair kit is less than $50 but you have to be able to use it effectively.
 

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Thanks. New to trucks and don’t plan to seriously offroad, except for the occasional gravel trails near scuba diving springs in Florida or MTB parks.

I don’t like the goop either. I have a Dynaplug Pro plug system that is supposed to work well with truck tires. Not sure if anyone here has experience with Dynaplug and maybe I should start a thread on that.

I can see the value for offroader if, like a mountain bike, you reduce PSI when on the trails and then need to re-inflate quickly for the ride home on roads. A four-way makes perfect sense then.

I just need to keep tires at proper 50 psi and, maybe, re-inflate a flat.

maybe the Tesla or larger Fanttik are more suitable.

thanks.
 

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there is 12v in the trailer lights conector how else would you power the 12v lights on your trailer?

20250116_105428.jpg
These conversations are rooted in semantics. When people say there is no 12v, they mean there is no central 12v source (battery or DC-DC) or 12v power bus. For trailer use a dedicated DC-DC converter steps it down from 48v to 12v. The interesting thing there is no fuse for the 12v output on the trailer connector, so it's not clear what the amp rating is. Also as I said earlier, inductive loads (motor in the compressor) behave differently than resistive loads (trailer lights), so that may complicate things further.
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