On the 16 pin obd2 connector use the following pinsĤ- chassis ground (connect to ground on 3 pin connector, or any good chassis earth)ĥ- signal ground (connect to black wire pin on 3 pin connector)ħ- k line (connect to white wire pin on 3 pin connector)ġ6- 12vDC (connect to battery positive terminal)įor software you have many choices. also use 1 length of wire for power to the obd connector. use 3 lengths of wire to connect the 3 pin connector to the obd connector. To connect an obdII reader to a fiat 3pin plug you need 4 lengths of wire. each diagnostic connector has 3 pins (there are 2 or 3 connectors on your car, one for main ecu, one for airbag, one for abs if you have abs). Ha nem tetszik, 30 napig visszafizetjük az árát. Click here for complete step-by-step guide, including driver files for correctly installing your ELM327 USB cable interface (or Bluetooth) to Windows. Posted by - NA - on 29 January 2013 01:20 AM. Now you need to connect that obdII connector to your car. ELM327 USB: Windows Installation Driver Files. This will give your laptop everything it needs to communicate with obdII vehicles. alternatively you can buy one prebuilt from someone like You can easily make a OBDII to RS232 converter if you're handy with microelectronics, there are many websites with pcd diagrams and aprts lsits. To go from your laptop to your car there are several stages we need to cover.
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