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        ![]() TM 9-2330-331-14&P 
ABS BRAKE SENSOR AND POWER CONNECTION REPLACEMENT 
INITIAL SETUP: 
Equipment Conditions 
Tools/Test Equipment 
 Ground Boards Emplaced 
 General Mechanic's Tool Kit (WP 0077 00-9) 
 Landing Legs Down 
 Tires Chocked 
Materials/Parts 
 Semitrailer Disconnected from Prime Mover 
 Tiedown Strap, Nylon (0086 00-4) 
 Brake Drum Removed (WP 0036 00-1) 
WARNING 
Wear protective goggles when underneath semitrailer and opening 
drain valve. Avoid air stream. Ensure all pressurized air has been 
drained from system. Failure to do so could result in injury to personnel. 
REMOVAL 
1. Remove ABS sensor (3) from sensor housing. 
2. Remove retainer clip (2) from sensor housing. 
3. Disconnect sensor cable (3) from sensor cable extension (4) and remove sensor cable (3) from wheel. 
4. Disconnect sensor cable extension (4) from ECU valve. 
NOTE 
Complete step 5 only if replacement of ECU power cable is required. 
5. Disconnect power cable (1) from ECU valve and power supply. 
1 
2 
3 
4 
Figure 1. ABS Brake Power Connections 
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