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Anti-lock Brake System (ABS)
The Anti-lock Brake System (ABS) monitors the wheel rotation
speed and controls braking during extreme braking applications.
When a wheel loses traction with the road surface and locks in
extreme braking situations, the sensors transmit this dynamic to
the Electronic Control Unit (ECU) which regulates air pressure to
that brake to release the brake for an instant to regain traction.
Refer to the following diagram for each component of the ABS
system for the trailer brake system.
1
7-Way connector
1
White wire to white post
2
(ground)
Blue wire to blue post
3
(constant power)
Red wire to red post (stop
4
lamp)
Main harness
5
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OPERATOR'S MANUAL Operation
7
2
3
4
6
7
8
9
10
8
6
5
9
ECU valve
Power cable connector (of
the ECU valve)
Sensor cable connectors
(of the ECU valve)
Indicator light harness
ABS indicator light
10
37
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