Reversing polarity or applying 12V to a 5V sensor rail can permanently fry the internal EPROM.
| Pin Number | Signal Name | Description | | --- | --- | --- | | 10 | VSS | Vehicle speed sensor | | 20 | PTO | Power take-off sensor | bosch me20 pinout verified
The information provided in this article is for educational purposes only. The author and publisher disclaim any liability for damages or injuries resulting from misuse or incorrect application of the information provided. Always consult the vehicle's wiring diagram and repair manual before making any modifications. Reversing polarity or applying 12V to a 5V
output are correctly pinned to their respective sensors and actuators. rusEFI wiki Fuel Pump Relay: bosch me20 pinout verified