ABS-MT-SH
M939 SERIES ANTI-LOCK BRAKE SYSTEM
MAINTENANCE SUSTAINMENT TRAINING; Student Handout ABS-MT-SH
ABS-MT-SH - Page 17 of 19
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M939 ABS Loom Connector Pin Relationships
Loom
Connector
11 2
10
1
3
23
13
24
4
14
Sensor 2A
Connector
Sensor 2B
Connector
Front Relay
Blue Solenoid
Rear Relay
Yellow Solenoid
Yellow (6)
Red (7)
Black (17)
Purple (26)
White (27)
1.
Sensor 2A Low
2.
Sensor 2B HI
3.
Blue Sol Dump
4.
Yellow Sol Dump
5.
Not Used
6.
Ignition Switch B+
7.
B+ Perm
8.
Diagnostic Input
9.
DDU B+
10.
Sensor 2A HI
11.
Sensor 2B Low
12.
Not Used
13.
Blue Sol Hold
14.
Yellow Sol Hold
15.
Not Used
16.
Not Used
17.
Lamp +
18.
DDU B -
19.
Diagnostic Output
20.
Not Used
21.
Not Used
22.
Not Used
23.
Blue Sol Common
24.
Yellow Sol Comm
25.
Not Used
26.
Lamp –
27.
B – Ground
28.
Not Used
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