Garmin G3X Installation Manual

Also see for G3X Touch: Quick reference guide Installation manual Pilot's guide Pilot's guide Pilot's guide

Contents

Garmin G3X Installation Manual Manual pdf 24 page image

Page 1-8 G3X Installation Manual –Installation OverviewRevision E 190-01115-011.7.1 Wiring Harness InstallationAllow adequate space for installation of cables and connectors. Ensure that routing of the wiring does notcome in contact with sources of heat, RF or EMI interference. Analog Input wires routed too close tospark plugs, plug wires, or magnetos may result in erratic readings.The installer shall supply and fabricate all of the cables. Required connectors, etc. are provided with theG3X Installation Kit (K10-00017-00). Electrical connections are made through D subminiatureconnectors for the GDU 37X and GSU 73 units, and through a round 9-pin connector for the GMU 44.Appendix A defines the electrical characteristics of all input and output signals. Required connectors andassociated hardware are supplied with the connector kit.Contacts for the connectors must be crimped onto the individual wires of the aircraft wiring harness.Table 1-7 lists contact part numbers (for reference) and recommended crimp tools.CAUTIONCheck wiring connections for errors before connecting any wiring harnesses. Incorrectwiring could cause internal component damage.Table 1-7. Pin Contact and Crimp Tools Part NumbersLRU Contact TypeGarminContact PartNumberRecommendedPositionerRecommendedInsertion/Extraction ToolRecommendedHand CrimpingToolGDU 37X Socket, MilCrimp, Size 20 336-00094-00 M22520/2-08,Daniels K13-1GSU 73GTP 59011-00979-20(Configmodulew/EEPROMkit)011-00981-00(thermocouplekit)Pin, Mil Crimp,Size 22D 336-00021-00Positronic P/N9502-4,ITT P/NM22520/2-09,Daniels P/N K42GMU 44 Socket, MilCrimp, Size 20 336-00022-00 M22520/2-08,Daniels K13-1011-00979-22(Configmodulew/Sockets &Jackscrew kit)Socket, MilCrimp, Size 20,26-30 AWG336-00022-01 Positronic P/N9502-5M81969/1-04for size 22Dpins andM81969/1-02for size 20 pinsM22520/2-01NOTES1. Insertion/Extraction tools from ITT Cannon are all plastic; others are plastic with metal tip.2. Non-Garmin part numbers shown are not maintained by Garmin and consequently are subjectto change without notice.3. Standard Density pins can accept up to 20 AWG, High Density pins can accept up to 22AWG.4. Garmin recommends using 22 AWG or larger wires unless otherwise specified.