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Section 4
System Configurations
2S/2M Trailer ABS Configuration Installation Diagram
For direct tank-mounted installations, see “How to
Install the ECU/Valve Assembly” in Section 6,
"Component Replacement".
Typical Application:
앫 Single- and Tandem-Axle Semi-Trailer
Sensors may be installed on either axle,
depending upon suspension and other
vehicle characteristics.
Figure 4.3
A Service/Control Lines
B Sensor Cables
C Service to Brake Lines (Delivery Lines)
D Air Supply/Emergency Lines
1 ECU/Valve Assembly (YE)
2 Air Tanks
3 External Valve (BU)
1002087e
BU1
AIR TANK
ECU/VALVE
ASSEMBLY (YE)
AIR TANK
YE1
A Service/Control Lines
B Sensor Cables
C Service to Brake Lines (Delivery Lines)
D Air Supply/Emergency Lines
EXTERNAL
VALVE (BU)
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