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ISO 7638 -1

ISO 7638-1
ISO 7638-1 Pinning

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