PSA: Be gentle with the harness connectors in your CT.

[mikeg112]

It doesn't surprise me that they opted to replace the entire harness, and good on tesla for doing that. Now with everything running at 48V and 4x smaller wiring vs 12v, it makes sense when it comes to voltage resistance, wiring etc. to just replace it. You would be surprised how much in the ethernet world a few inches of wire here and there can sku electric tolerances and introduce electrical jitter and delays.

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[mongo]

It doesn't surprise me that they opted to replace the entire harness, and good on tesla for doing that. Now with everything running at 48V and 4x smaller wiring vs 12v, it makes sense when it comes to voltage resistance, wiring etc. to just replace it. You would be surprised how much in the ethernet world a few inches of wire here and there can sku electric tolerances and introduce electrical jitter and delays.

Agree that splicing the Etherloop pair could go badly.
The required wire size for a given load is smaller, but they still kept minimum gauge rational for an automotive application. I think the smallest is 0.13mm² or 26 AWG equivalent.

 

[Mini2nut]

It doesn't surprise me that they opted to replace the entire harness, and good on tesla for doing that. Now with everything running at 48V and 4x smaller wiring vs 12v, it makes sense when it comes to voltage resistance, wiring etc. to just replace it. You would be surprised how much in the ethernet world a few inches of wire here and there can sku electric tolerances and introduce electrical jitter and delays.

The Cybertruck uses 48v and traditional 12v wiring on the harness.

My guess is the goal was to convert every electrical load to 48v but the engineers had to "put the pencils down" so corporate could bring the Cybertruck to market.

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