
37
FIGURE 18 - BENDIX
®
EC‑80
™
ATC WIRING SCHEMATIC (6S/5M)
Troubleshooting: Bendix
®
EC-80
™
ATC Wiring Schematic
(6S/5M)
* Pressure Modulator Valves
Connector Twist‑Lock Packard
Common (CMN) Pin 2 Pin B
Hold (HLD) Pin 3 Pin C
Release (REL) Pin 1 Pin A
NOT USED
NOT USED
J1939_LO
J1939_HI
BA TTER Y
RET ARDER
GROUND
WS S
DRIVE
AXLE
RIGHT
WS S
DRIVE
AXLE
LEFT
WS S
STEER
AXLE
RIGHT
IGNITION
TRAILER ABS WL
ABS WL
SLS
WSS_DR+
WSS_DR-
WSS_DL+
WSS_DL-
13
14
7
8
16
17
1
3
2
18
9
10
11
15 18
30A
WSS
STEER
AXLE
LEFT
DIFF
LOCK
SOL
PMV_DR_HLD
PMV_DR_REL
PMV_DR_CM N
PMV_DL_HLD
PMV_DL_REL
PMV_DL_CMN
PMV_SR_HLD
PMV_SR_REL
PMV_SR_CMN
PMV_SL_HLD
PMV_SL_REL
PMV_SL_CMN
ABS ORS
WSS_SR+
WSS_SR-
WSS_SL+
WSS_SL-
10 13
9
16
17
12
47 6
12
3
1
11
14
5
8
WSS_AR+
WSS_AR-
WSS_AL+
WSS_AL-
DIFF
DIFF_CM N
PMV_AA_HLD
PMV_AA_REL
PMV_AA_CMN
INPUT/OUTPUT 2
INPUT/OUTPUT 3
NOT USED
NOT USED
NOT USED
12
15
11 14
2
13
6
5
8
10
7
9
WS S
ADD
AXLE
RIGHT
WS S
ADD
AXLE
LEFT
ST OP LAMP
ABS INDICA TO R LAMP
TRAILER ABS
INDICATOR LAMP
15
WL_INTERLOCK
5A
5A
X2
X2
5A
(OPTIONAL)
RETARDER
X3
X3
X1
X1
3
21
ADDITIONAL AXLE
3
21
3
21
3
21
DRIVE
AXLE
RIGHT
PMV
DRIVE
AXLE
LEFT
PMV
STEER
AXLE
LEFT
PMV
STEER
AXLE
RIGHT
PMV
3
21
ADD
AXLE
PMV
ST OP LAM PS WITCH
(SLS)
ATC
OFF-ROAD
SWITCH
(ORS)
ABS
OFF-ROAD
SWITCH
(ORS)
+12 IGNITION
DRIVE AXLE STEER AXLE
ABS WL GND
TRACTION
CONTROL
VA LV E
(TCV)
TCV_DA
TCV_DA_CM N
54
+12VBATTERY
5A
5A
AT C LAMP/ AT
6
12
AT C LAM P
RELAY
* * * * *
DIAGNOSTIC
SWITCH
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