These cables are used on Tesla Model S/X with the Tinkla Buddy for IC Integration, of Open Pilot.
One cable plugs into the IC, the other cable plugs into the MCU.
The Tinkla Buddy connects to the RJ-45 connectors.
Shipped FREE with USPS.com Priority 2-3 day tracking
Search for Tinkla Buddy for Tesla and Open Pilot. This is for ALL pre AP1 tesla cars.