TM 9-2330-326 -14&P
H-33. ENHANCED EASY-STOP TRAILER ABS WITH PLC (Cont.)
Per Fontaine Trailer Company for the 4S/2M WABCO ABS:
The following supercedes the WABCO sensor
routing information presented on previous page
H-127 of the Commercial Manual, as far as how
the sensor cables are routed on the M871A3
Semitrailer from the ECU.
The ECU (Electronic Control Unit) is located on
the rear s ide of the front air tank.
The ECU sensor connectors (4) point to the
The sensor cables from the ECU are routed as
YE1 from ECU to curbside rear sensor. (R/R)
YE2 from ECU to roadside rear sensor. (L/R)
BU1 from ECU to curbside front sensor. (R/F)
BU2 from ECU to roadside front sensor. (L/F)
Sensor cables must be routed per above in
order to insure proper operation.