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 76 of 790
TM 5--2350--378--24&P
0005 00--17
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
p
20
Left Hand Suspension
Lower Shutoff Valve
Power Return
V11
HDC Control Box
Left Hand
Suspension
Lower Shutoff
Valve
1050
18 – 32VDC per
MIL--STD--1275
Power Return
q
20
Suspension Relief
Valve Port 9 Shutoff
Valve Power
V12
HDC Control Box
Suspension
Relief Valve Port
9 Shutoff Valve
1051
18 – 32VDC per
MIL--STD--1275
r
20
Suspension Relief
Valve Port 9 Shutoff
Valve Power Return
V12
HDC Control Box
Suspension
Relief Valve Port
9 Shutoff Valve
1052
18 – 32VDC per
MIL--STD--1275
Power Return
s
20
Suspension Relief
Valve – Main
Accumulator Shutoff
Valve Power
V13
HDC Control Box
Suspension
Relief Valve –
Main
Accumulator
Shutoff Valve
1053
18 – 32VDC per
MIL--STD--1275
t
20
Suspension Relief
Valve – Main
Accumulator Shutoff
Valve Power Return
V13
HDC Control Box
Suspension
Relief Valve –
Main
Accumulator
Shutoff Valve
1054
18 – 32VDC per
MIL--STD--1275
Power Return
u
20
Winch Control Shutoff
Valve Power
V14
HDC Control Box
Winch Control
Shutoff Valve
1055
18 – 32VDC per
MIL--STD--1275
v
20
Winch Control Shutoff
Valve Power Return
V14
HDC Control Box
Winch Control
Shutoff Valve
1056
18 – 32VDC per
MIL--STD--1275
Power Return
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