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GDU 37X Installation Manual – GDU 37X Page 2-5
190-01054-01 Revision B
2.4.2 Additional Equipment Required
A 3/32” hex drive tool is required to secure the GDU 37X to the panel as described in Section 2.7 Unit
Installation.
GDU 37x UNIT
011-01747-( )
CONNECTOR KIT
011-01921-00
Figure 2-2. GDU 37X Mounting Accessories
2.5 Installation Considerations
Fabrication of a wiring harness is required. Sound mechanical and electrical methods and practices are
recommended for installation of the GDU 37X. Refer to Section 1.6 for wiring considerations, Appendix
A.1 for pinouts.
Connector kits include backshell assemblies. Garmin’s backshell connectors give the installer the ability
to quickly and easily terminate shield grounds at the backshell housing. The instructions needed to
assemble the backshell connector w/Shield Block grounding system are located in Appendix B.
NOTE
The GDU 37X rear connector (J3701) is electrically isolated. For
installations using shielded cables, a ground pin must be tied to the
connector shell.