190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 3-3
3.2 Equipment Available
3.2.1 Required Equipment
3.2.2 Additional Equipment Required
The connector kit in Table 3-2 is required to install the unit, and is not provided with the GAD 27 unit.
3.3 General Specifications
See Section 2.2 for power/current specifications, and Section 2.4.1 for dimension/weight specifications.
3.4 Mounting Requirements
The GAD 27 is remotely mounted and is secured to the airframe using four screws supplied by the
installer. Refer to Section 3.6
for outline and installation drawings.
3.5 Unit Installation
Fabrication of a wiring harness is required. Sound mechanical and electrical methods and practices are
recommended for installation of the GAD 27. Refer to Section 2.3
for wiring considerations, and to
Section 23.1
for pinouts.
1. Mount the unit to a suitable mounting location using (4) #10-32 pan or hex head screws.
2. Assemble the connector backshells and wiring harness.
3. Connect backshell connectors.
4. Screw down ring terminals to terminal block. The screws in the terminal block should be removed,
the ring terminal inserted, and then the screw replaced.
Table 3-1 GAD 27 Part Numbers
Model
Assembly Part
Number
Unit Only Part
Number
GAD 27 010-01525-10* 011-03876-10*
*Part numbers 011-03876-00 and 011-03876-10 are functionally equivalent
Table 3-2 Contents of GAD 27 Connector Kit (011-03877-00)
Item Garmin P/N Quantity
Backshell w/Hdw, Jackscrew, 15/26 Pin 011-01855-01 1
Backshell w/Hdw, Jackscrew, 50/78 Pin 011-01855-04 1
Terminal Block Label Flags 161-04025-00 1
Ring Terminal, Insulated, 14-16 AWG, #6 235-00094-00 12
D-Sub Connector Receptacle, Crimp Socket, 15 pin 330-00625-50 1
D-Sub Connector Receptacle, Crimp Socket, 50 pin 330-00625-50 1
Military Crimp Socket Contact, Size 20, 20-24 AWG 336-00022-02 70
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