Diagrams are truck-side connection viewed head-on.
J1939 Connector (9-pin Deutsch)
| Pin | Value |
| A | Ground |
| B | +12V |
| C | CAN/J1939 Hi |
| D | CAN/J1939 Lo |
| E | CAN/J1939 Shield |
| F | J1708/J1587 Hi |
| G | J1708/J1587 Lo |
| H | OEM Specific |
| J | OEM Specific |
J1708/J1587 Connector (6-pin Deutsch)
| Pin | Value |
| A | J1708/J1587 Hi |
| B | J1708/J1587 Lo |
| C | +12V |
| D | OEM Specific |
| E | Ground |
| F | OEM Specific |