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 83 of 790
TM 5--2350--378--24&P
0005 00--24
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 J3: Mates with Umbilical Cable Connector W4P3
Pin
Number
AWG
Signal Name Description
Reference
Designator
Signal
Source
Signal
Designation
Signal
Circuit No.
Signal Description
DD
20
Pressure Transducer
Excitation (--)
HDC Control
Box
Pressure
Transducer
1027D
HDC Control Box
Pressure Transducer
Power Return
EE
20
Signal Output Shield
HDC Control
Box
Pressure
Transducer
1028A
HDC Control Box
Signal Output Shield
(Chassis Ground)
FF
20
Signal Output Shield
HDC Control
Box
Pressure
Transducer
1028B
HDC Control Box
Signal Output Shield
(Chassis Ground)
GG
20
Signal Output Shield
HDC Control
Box
Pressure
Transducer
1028C
HDC Control Box
Signal Output Shield
(Chassis Ground)
HH
20
Signal Output Shield
HDC Control
Box
Pressure
Transducer
1028D
HDC Control Box
Signal Output Shield
(Chassis Ground)
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