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12
MBS-2 Installation
Electrical System
The Antilock Control Module (ACM) consists of an Electronic Control Module
(ECM) and a Pneumatic Control Module (PCM) combined as one unit.
However, they are individually field replaceable. The wheel sensor, malfunction
lamp, and power harness circuits are connected to the ECM.
Figure 7, Typical Electrical System Layout
281UX028
J560
Connector
ABS In-Axle
Speed Sensor
Roadside
Curbside
ABS Axle Hubcap
Power Cable
4-Pin Deutsch
DTM Series
Connector
ABS
Malfunction
Lamp
PCM/ECM
Malfunction Lamp
Connector
Diagnostic
Switch
Axle
Feed Through
Auxiliary
Warning Lamp
(location may
vary)
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