G900X/G950 Installation and Maintenance Manual – GDC 74A
Page 6-11
190-00719-00
Revision
D
5.
Strip back 1/8” (0.125”) of insulation and crimp pins (11) to each of the conductors in the
shielded cable.
6.
Cut an AWG #16 (8) wire to 3” long. Strip back 0.5” of insulation from this cable. Connect the
shield of the OAT Probe cable (3) to the AWG #16 wire (8).
7.
Attach the ring terminal (9) to the backshell, using the screw provided in the OAT Probe Kit (10)
and one of the tapped holes on the backshell termination area.
8.
Insert newly crimped pins into the D-Sub connector and wires (3, 11) into the appropriate
connector housing location (12, 7) as specified by the installation wiring diagrams.
9.
Verify that all necessary pins for the GDC 74A have been attached to the cables and snapped into
the proper slots of the 78 pin D-Sub connector.
10.
Wrap the cable bundle with Silicone Fusion Tape (GPN: 249-00114-00 or a similar) at the point
where the backshell strain relief and cast housing contact the cable bundle. The smooth side of
the backshell strain relief should contact the tape.
6.9 Continued Airworthiness
Maintenance of the GDC 74A is “on condition” only.