The car harness is our universal interface to your car. Use the car harness to connect your comma device to your vehicle. We designed it to be almost invisible in your car while being easy to install and use. Car harness includes comma power v2 with ECU fingerprinting capabilities, a harness adapter with automatic switching to stock, 1 RJ45 cable (7 feet), and 1 USB-C to USB-C cable (1.5 feet).

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Highlights

• Stealth install; car parts remain in place, no messy cables
• Easy to set up; watch us do it in 3 minutes here

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What's in the box?

• 1 harness box
• 1 harness connector
• 1 comma power v2
• 1 RJ45 cable (7 ft)
• 1 USB-C to USB-C cable (1.5 ft)

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Developer Notes

• Auto shutoff to protect your car battery
• OBD-C is the new standard port for comma hardware
• For harness without connectors, choose "Development vehicle"
  

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Harness compatibility based on the US car market.