TM-9-2320-283-13-P
ANTI-LOCK BRAKE SYSTEM (ABS) M915A1
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
AUGUST 2012
TM-9-2320-283-13-P - Page 29 of 400
TM 9-2320-283-13&P
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LOCATION AND DESCRIPTION OF MAJOR COMPONENTS – CONTINUED
SPEED SENSOR HARNESS – The speed sensor harness is located adjacent to the modulator harness on
cab firewall, and connects four wheel sensors to ABS ECU. The speed sensor harness is connected to ECU
harness right bulkhead connector, on cab firewall, and is routed along the left-hand frame rail where it splits
to each of four wheel sensor cables at the front and rear-rear axles.
MODULATOR HARNESS – The modulator harness is located adjacent to speed sensor harness on cab
firewall, and connects four modulators to ABS ECU. The modulator harness is connected to ECU harness
left bulkhead connector, on cab firewall, and is routed along the left-hand frame rail where it splits to each
of four modulators on the left and right-hand frame rails.
SPEED SENSOR HARNESS
MODULATOR HARNESS
Figure 4. Speed Sensor and Modulator Harnesses.
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