Page 2-4 G300 Installation Manual – GDU 37XRevision A 190-00921-01GDU 37x UNIT011-01747-( )CONNECTOR KIT011-01921-00Figure 2-2. GDU 37X Mounting Accessories2.5 Installation ConsiderationsFabrication of a wiring harness is required. Sound mechanical and electrical methods and practices arerequired for installation of the GDU 37X. Refer to Section 1.6 for wiring considerations, Appendix A.1for pinouts.Connector kits include backshell assemblies. The backshell assembly houses the configuration module (ifapplicable). Garmin’s backshell connectors give the installer the ability to quickly and easily terminateshield grounds at the backshell housing. The instructions needed to install the Jackscrew Backshell (190-00313-11), and Configuration Module (190-00313-10) can be downloaded from the Dealer portion of theGarmin website www.garmin.com.2.6 Mounting RequirementsRefer to Appendix B.1 for outline and installation drawings.2.7 Unit InstallationThe GDU 37X is installed by holding the unit flush with the instrument panel and fastening the fourcaptured 3/32” hex socket head screws to the panel as shown in Figure B-1.2.2.8 Continued AirworthinessMaintenance of the GDU 37X is “on condition” only. Periodic maintenance of the GDU 37X is notrequired. Instructions for Continued Airworthiness (ICA) are not required for this product under 14 CFRPart 21 since the GDU 37X has received no FAA approval or endorsement.
