Tesla Model 3 high voltage battery connectors use proprietary Tyco/TE multi-pin assemblies combining HV power contacts, low-voltage signal contacts, and HVIL in single housings rated for up to 450V DC at 400A.
| Pin | Name | Function | Type |
|---|---|---|---|
| HV+ | HV Positive | High voltage positive bus | PWR |
| HV- | HV Negative | High voltage negative bus | PWR |
| HVIL1 | Interlock 1 | HVIL loop contact 1 | I/O |
| HVIL2 | Interlock 2 | HVIL loop contact 2 | I/O |
| TS | Temp Sense | Battery temperature sensor | ADC |
| GND | GND | Low voltage ground | GND |