32
4S/2M - AXLE CONTROL - Front Lift Axle
180 Degree Mounting Orientation
A Brake Lamp Power
B Ignition Power
C NC
D Indicator Lamp
E Ground
Ignition
Power
Trailer Chassis Harness
Bendix
®
TABS-6
™
Advanced
Multi-
Channel
Bendix
®
SR-5
™
Trailer
Spring Brake
Valve
Trailer ABS Pigtail Harness
Dashed-line box
Shows Lift Axle
ABS Indicator Lamp
Air Bellow
(where used)
Load Sensor
(where used)
5-Pin ABS
Connector
Supply Line
Control Line
Right - “Curb-Side”
Semi-Trailer Spread Axle Trailer
Left - “Road-Side”
7-Pin SAE J560
Connector
P22
P21
Brake Lamp Power
Ground
“S-C”
“S-D”
Bendix
®
WS-24
™
Wheel Speed
Sensors
Bendix
®
WS-24
™
Wheel Speed
Sensors
“S-F”
“S-E”
Lift Axle
4S/2M - AXLE CONTROL - Rear Lift Axle
180 Degree Mounting Orientation
Ignition
Power
Trailer Chassis Harness
Bendix
®
TABS-6
™
Advanced
Multi-
Channel
Bendix
®
SR-5
™
Trailer
Spring Brake
Valve
Trailer ABS Pigtail Harness
Dashed-line box
Shows Lift Axle
ABS Indicator Lamp
Air Bellow
(where used)
Load Sensor
(where used)
5-Pin ABS
Connector
Supply Line
Control Line
Right - “Curb-Side”
Semi-Trailer Spread Axle Trailer
Left - “Road-Side”
7-Pin SAE J560
Connector
P22
P21
Brake Lamp Power
Ground
“S-D”
“S-C”
Bendix
®
WS-24
™
Wheel Speed
Sensors
Bendix
®
WS-24
™
Wheel Speed
Sensors
“S-E”
“S-F”
Lift Axle
FIGURE 32 - 4S/2M AXLE CONTROL (180 DEGREE) WITH FRONT LIFT AXLE, ABS ELECTRICAL & AIR SYSTEM
FIGURE 33 - 4S/2M AXLE CONTROL (180 DEGREE) WITH REAR LIFT AXLE, ABS ELECTRICAL & AIR SYSTEM
Troubleshooting: System Schematics
A Brake Lamp Power
B Ignition Power
C NC
D Indicator Lamp
E Ground