TM-5-2350-378-24-P
HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
TM-5-2350-378-24-P - Page 74 of 790
TM 5--2350--378--24&P
0005 00--15
USING THE HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM TO TROUBLESHOOT THE M9 HYDRAULIC SYSTEM --
Continued
0005 00
Table 4. HDC Control Box Connectors – Pin Designation Signal Names/Identification -- Continued
Connector J2: Mates with Umbilical Cable Connector W4P2
Pin Number
AWG
Signal Name
Description
Reference
Designator
Signal Source
Signal
Designation
Signal
Circuit No.
Signal Description
V
20
Left Suspension Port 11
Shutoff Valve No.1
Actuator Power Return
V3
HDC Control Box
Left Suspension
Port 11 Shutoff
Valve No.1
Actuator
1034
18 – 32VDC per
MIL--STD--1275
Power Return
W
20
Left Suspension Port 9
Shutoff Valve No. 4
Actuator Power
V4
HDC Control Box
Left Suspension
Port 9 Shutoff
Valve No. 4
Actuator
1035
18 – 32VDC per
MIL--STD--1275
X
20
Left Suspension Port 9
Shutoff Valve No. 4
Actuator Power Return
V4
HDC Control Box
Left Suspension
Port 9 Shutoff
Valve No. 4
Actuator
1036
18 – 32VDC per
MIL--STD--1275
Power Return
Y
20
Right Hand Suspension
Lower Shutoff Valve
Power
V5
HDC Control Box
Right Hand
Suspension
Lower Shutoff
1037
18 – 32VDC per
MIL--STD--1275
Z
20
Right Hand Suspension
Lower Shutoff Valve
Power Return
V5
HDC Control Box
Right Hand
Suspension
Lower Shutoff
1038
18 – 32VDC per
MIL--STD--1275
Power Return
a
20
Left Suspension Port 2
Shutoff Valve No. 4
Actuator Power
V6
HDC Control Box
Left Suspension
Port 2 Shutoff
Valve No. 4
Actuator
1039
18 – 32VDC per
MIL--STD--1275
b
20
Left Suspension Port 2
Shutoff Valve No. 4
Actuator Power Return
V6
HDC Control Box
Left Suspension
Port 2 Shutoff
Valve No. 4
Actuator
1040
18 – 32VDC per
MIL--STD--1275
Power Return
c
20
Left Suspension Port 2
Shutoff Valve No. 3
Actuator Power
V7
HDC Control Box
Left Suspension
Port 2 Shutoff
Valve No. 3
Actuator
1041
18 – 32VDC per
MIL--STD--1275
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