03-03-2024, 03:14 PM | #29 | |
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03-03-2024, 05:10 PM | #30 | |
Drives: 2024 ZL1 Join Date: Apr 2023
Location: Campbell River, BC, Canada Eh!
Posts: 375
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Sure, you could just cut them and install a deutsch connector and plug in when needed, but a switch is so much easier. Edit to add. Another neat trick would be to power pins 6 and 12 with 12V constant power if you have a DPDT switch. Should someone attempt to plug into your OBD port not only will it not connect, it will also fry their tool. Anyone foolish enough to not ask your permission to access would be in for a rude surprise. Just remember to flip the switch before you take it to anyone who legitimately needs access. Not only did they not get your car, they won't be getting anyone else's vehicle either until they get a new tool. It would be like a CCW license and the umbrella effect.Thieves would never know who has hot wired their data port so will be leary about plugging into any vehicles. Not only are you protecting your vehicle, you are also helping to protect other vehicles in the community too. Last edited by SwL_Wildcat; 03-03-2024 at 05:47 PM. |
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03-04-2024, 12:02 AM | #31 |
Drives: 2016 Chevy Camaro 2SS Join Date: Jun 2023
Location: Kentucky
Posts: 17
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I think I saw that there is a fuse in the trunk for the OBD port. Could pulling that do the trick by itself?
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03-05-2024, 06:18 AM | #32 |
That's a good thought. Would it be the F29 Data link connector fuse? I couldn't find a fuse labeled for the OBD port.
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2020 Camaro 2SS - Riverside Blue, NPP, Magnetic Ride, Sunroof
RUXIFEY Smoked LED Side Marker Lights / Black SS emblem on rear bumper / Blue SS vinyl overlay on front bumper emblem / Wildhammer Rear Dark Reflectors / Trim Illusion Gloss Black Door Handle Covers / eBay Black Fuel Door / Screaming Chicken Fender Hash Marks / Color-Matched G2 Caliper Paint RE Audio RFX10D4 10" Sub / Hand-made sub enclosure / Hifonics Zeus ZRX1200.1D amp / JL Audio LoC-22 line output converter / Sub Thump Plug N Play T-Harness With ANC Defeat Harness Kit My Camaro Journal |
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03-05-2024, 07:53 AM | #33 |
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It's Circuit #40 which comes back to Pin #36 on the X1 connector at the rear fuse panel. But I haven't found the schematic that identifies what fuse that is.
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03-05-2024, 08:04 AM | #34 | ||
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This is a neat idea, simply intercepting and opening data lines with the classic toggle switch. I also agree that a 4PDT switch would open high and low data lines. And this switch doesn't need to be convenient to access either, as it's only used when you want to scan. https://www.amazon.com/Twidec-Positi.../dp/B07VG81BKQ Quote:
We could combine the two ideas to have an OBD extension that has the toggle switch wired in so you don't have to reach down under the dash to fish out the original OBD port. This way we aren't cutting any factory wiring. This OBD splitter can be used for this task, while also allowing for a Range module. https://www.amazon.com/gp/product/B071L8W7Q7?th=1
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2023 1SS A10 Black NPP/C2U/H72 - Daily Driver
Historically an Accord and Camry owner with self-performed maintenance/repair. 1100: 5/3/22 . . . . . . . 2000: 6/25/22 . . . . . .4000: 8/17/22 . . . . . . . 6000: 9/10/22 Daily Driver mileage update: 22k mi. @ April 2024 New Engine @ 22,600 Build Log: https://www.camaro6.com/forums/showt...6#post11353116 Last edited by keep_hope_alive; 03-05-2024 at 08:51 AM. |
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03-05-2024, 08:56 AM | #35 |
Drives: 2023 Camaro 1SS 1LE 6MT Join Date: Nov 2023
Location: Vancouver Island
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I like the cutting data wires in the extension idea. I really don't want to start hacking wires in my new car.
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03-05-2024, 09:30 AM | #36 | |
Drives: 23' 2SS 1LE M6;19' Sierra 1500 AT4 Join Date: May 2023
Location: Austin, TX
Posts: 117
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03-05-2024, 02:02 PM | #37 | |
Electrical Engineer
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Someone could also just move the OBD port to the trunk with an extension cable, no one would look there. But we'd want to really dig into the dash to make access to the legit plug nearly impossible without a lot of time. For those of us doing this mod, we want to ensure it's not easy for thieves to just reach their hand under and fish around for the factory connector. The easiest way to make this mod permanant is to remove the driver's seat to allow a comfortable access to this area, then remove the kick panel cover and re-route factory wiring. Finish it off with a roll of TessaTape for an oem look. Having power to the dummy OBD port makes a lot of sense as it will add confusion over one that doesn't have any pins. We want a Tx error to be the impetus to just abandon the task.
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2023 1SS A10 Black NPP/C2U/H72 - Daily Driver
Historically an Accord and Camry owner with self-performed maintenance/repair. 1100: 5/3/22 . . . . . . . 2000: 6/25/22 . . . . . .4000: 8/17/22 . . . . . . . 6000: 9/10/22 Daily Driver mileage update: 22k mi. @ April 2024 New Engine @ 22,600 Build Log: https://www.camaro6.com/forums/showt...6#post11353116 |
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03-05-2024, 07:24 PM | #38 |
Drives: 22 Convertible V8 LT1 Join Date: Feb 2019
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I agree. I have not parked my Camaro in public for months.
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03-05-2024, 07:38 PM | #39 | |
Drives: 23' 2SS 1LE M6;19' Sierra 1500 AT4 Join Date: May 2023
Location: Austin, TX
Posts: 117
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I have also been thinking of another workaround that would really mess with them. It's a bit more involved though. This will basically flip the script on them. The idea is to create an isolated OBD CAN network (aka a spoof CAN network) that fakes the responses an actual car will give tricking the hack tool into believing the transactions completed successfully and new key has been reprogrammed. However when they try the new key, it doesn't work. As a crude example, assuming the actual hack goes like below: 1. OBD hack tool: Sends CAN message (request) to car to program a new key. 2. Car: Processes the request and sends a response of either success (key programmed) or fail (key not programmed) With above you could create an isolated CAN network (something simple as a small microcontroller + can transceiver) that sits on the other side of the OBD port and fools the hack tool. Obviously implementing something like this would require knowing what CAN messages the hack tool sends and the responses it expects. You could take the idea even further and have the "spoofing CAN network" notify authorities while it's pretending to be programming a new key. I don't have a lot of free time these days to be able to work on something like this but if this is still ongoing come summer, might consider. P.S. Btw, relocating the OBD port far away with extension wires and still requiring data access might present a problem. I believe the max CAN stub length for nodes (I think the OBD port is a node and not the end of the bus?) should be less than a foot. However, I make no claim to be a CAN expert so might be good to verify beforehand if you go this route. |
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03-06-2024, 08:32 AM | #40 | |
Electrical Engineer
Drives: 2023 1SS A10 Black Join Date: Apr 2022
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Quote:
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2023 1SS A10 Black NPP/C2U/H72 - Daily Driver
Historically an Accord and Camry owner with self-performed maintenance/repair. 1100: 5/3/22 . . . . . . . 2000: 6/25/22 . . . . . .4000: 8/17/22 . . . . . . . 6000: 9/10/22 Daily Driver mileage update: 22k mi. @ April 2024 New Engine @ 22,600 Build Log: https://www.camaro6.com/forums/showt...6#post11353116 |
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03-06-2024, 08:45 AM | #41 | |
Petro-sexual
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https://www.amazon.com/uxcell-71-7cm...9735628&sr=8-3 Or am I missing something? I would consider extending this harness to a more convenient/hidden location within the passenger compartment, but am I out of line thinking this could be a possible alternative, too? I'd rather not chop-up the data link connector harness, and because I have gauges/and tune through it, it would, in the least, have to be switchable, so I'm contemplating a less invasive alternative, or adding an additional layer of deterrence to either of these alternatives. Thoughts or comments?...
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03-06-2024, 07:50 PM | #42 | |
Somewhere in the Kalahari
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