Appendix C: Wiring and Electrical Connections
SkyView HDX System Installation Manual - Revision E 25-11
25.6.4 SV-EMS-220 Pinouts (EMS Harnesses)
Figure 143: SV-EMS-220 D37F Connector Pin Numbering
The SV-EMS-220 uses a D37M connector for connecting most engine sensors. Figure
143 above shows the pin numbering for the mating D37F connector, installed on the cable
that plugs into this connector, from the rear (pin insertion) view.
Table 68: SV-EMS-220 D37M Connector
EMS 37-pin Harness Wire
Color
Voltmeter 1 (0 to 30 volts DC)
Voltmeter 2 (0 to 30 volts DC)
Enhanced General Purpose Input 4
+12 volts DC Auxiliary Power Output
+5 volts DC Auxiliary Power Output
(Limited to 300 mA by internal self-resetting
fuse)
Enhanced General Purpose Input 2
Enhanced General Purpose Input 3
General Purpose TC Input 1+
General Purpose TC Input 1-
Optional External Alarm Indicator