Knorr Wabco Trailer 7 PIN J1939 to OBD-II Adapter Cable




Introduction
Do you need to connect your AutoPi device to a Knorr Wabco trailer for J1939 diagnostics and data logging?
The Knorr Wabco Trailer 7 PIN J1939 to 16 PIN OBD-II Adapter Cable fits many Knorr Wabco trailer systems — including commercial trailers and heavy-duty vehicles — and lets you easily connect your AutoPi device to start reading J1939 data. Simply locate the 7-pin diagnostic port in your trailer, typically found near the connector interface, and plug in the cable.

The cable features a plug-and-play design for quick and secure connections, and is constructed with premium materials built for heavy-duty environments.
This adapter cable can be purchased through the AutoPi shop: Knorr Wabco Trailer 7 PIN J1939 to 16 PIN OBD-II Adapter Cable.
Specifications
| Property | Details |
|---|---|
| Compatibility | Knorr Wabco trailers with 7 PIN diagnostic port |
| Connector Types | 7 PIN (male) to 16 PIN OBD-II (female) |
| Protocol Support | J1939 for vehicle diagnostics |
| Durability | Premium materials for heavy-duty use |
| Ease of Use | Plug-and-play design |
Pinout
| AutoPi Function | Knorr Wabco 7 PIN | OBD-II 16 PIN |
|---|---|---|
| Power | Pin 2 | Pin 16 |
| GND | Pin 1 | Pin 5 |

The pinout above is based on the standard J1939 to OBD-II mapping. Refer to your Knorr Wabco trailer documentation for any model-specific variations.
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