| Pin | Pin Name |
Description |
| A | GROUND | PIN 4 ON DB9 FEMALE |
| B | +12V | PIN 6 ON DB9 FEMALE |
| C | J1939+ | PIN 3 ON DB9 FEMALE |
| D | J1939- | PIN 1 ON DB9 FEMALE |
| E | NOT USED | |
| F | NOT USED | |
| G | NOT USED | |
| H | NOT USED |
Adaptor is yet to be tested.
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| SAE J1939 9 pin deutsch to DB9 Serial cable pinout |
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for ELM327 scantool |
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