ISO 7638 -1
Standard Description
This connector is intended to be used for 24V ABS and EBS on heavy duty trailers. It is identified with a key at pin 5.
CAN-bus communication is according to ISO 11992.
CAN-bus is not required for the ABS to work which means that a 5 pin versions are also available where the CAN-bus pins are excluded.
7-pin 24V ABS/EBS connectors
| # | DIN |
Signal |
Color |
Wire Cross Section |
AWG |
|---|---|---|---|---|---|
| 1 | 30 | +24V permanent for control valves | Red | 4 | 11 |
| 2 | 15 | +24V via ignition lock for electronics | Black | 1.5 | 15 |
| 3 | 31 | Ground for electronics (Pin 2) | Yellow | 1.5 | 15 |
| 4 | 31 | Ground for control valves (Pin 1) | Brown | 4 | 11 |
| 5 | ABS Fault Indication | White | 1.5 | 15 | |
| 6 | CAN H, for EBS and ABS | Green/White | 1.5 | 15 | |
| 7 | CAN L, for EBS and ABS | Brown/White | 1.5 | 15 |