Electrical Connections; Pin Contact Part Numbers; Recommended Crimp Tools - Garmin GTX 327 Installation Manual

2.6

ELECTRICAL CONNECTIONS

All electrical connections, except for the antenna, are made through a single, 25-pin D subminiature
connector. Table 2-4 defines the electrical characteristics of all input and output signals and identifies the
cable requirements for each signal. Required connector and associated hardware are supplied with the
Mounting Rack, Backplate and Connector kit (Garmin P/N 010-10161-01). See figures B4 and B5 on
pages 43 and 45 for interconnect wiring diagrams.
Larger pins are supplied for the connector to provide power and ground at pins 13, 14, 15, and 25 when
required. Refer to figure B4, Note 1.
Wire Gauge
Military P/N
Positronic
ITT Cannon
AMP
Daniels
Astro
1. Insertion/extraction tools from ITT Cannon are all plastic; others are plastic with metal tip.
Non-Garmin part numbers shown are not maintained by Garmin and consequently are subject
2.
to change without notice.
3. Alternate contacts for 18 AWG wire: As an alternative to the Positronic contacts listed (and
provided in the installation kit), the installer may use contacts made by ITT Cannon under P/N
031-1007-001. These contacts require the use of a different crimp tool positioner than shown
in the table, with the part numbers as follows: Daniels P/N K250, Astro P/N 616245, or ITT
Cannon P/N 980-0005-722.
4. All wires must be passed through the backshell before being assembled to connector.
5. In aircraft equipped with a dropping resistor for +28 Vdc bus voltage, make sure the dropping
resistor is bypassed.
Page 12
Rev J
Table 2-2. Pin Contact Part Numbers
Wire Gauge
Garmin P/N
Military P/N
AMP
Positronic
ITT Cannon
Table 2-3. Recommended Crimp Tools
Hand Crimping Positioner
Tool
M22520/2-01 N/A
9507 9502-11
995-0001-584 N/A
601966-1 N/A
AFM8 K774
615717 N/A
25 pin connector (P3271)
18 AWG 20-24 AWG
336-00023-00 336-00022-00
N/A M39029/63-368
N/A 205090-1
FC6018D M39029/63-368
See Note 3 031-1007-042
18 AWG
Insertion/ Positioner
Extraction Tool
M81969/1-02 M22520/2-08
M81969/1-02
N/A 995-0001-604
N/A 601966-5
M81969/1-02
M81969/1-02
NOTES
20-24 AWG
Insertion/
Extraction Tool
M81969/1-02
9502-5 M81969/1-02
980-2000-426
91067-2
K13-1 M81969/1-02
615724 M81969/1-02
GTX 327 Installation Manual
190-00187-02