Page 2-12 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
Figure 2-3. G1000 Component Power Sources
2.4 Shield Block Grounds
The connectors on Garmin G1000 LRUs utilize the Shield Block grounding system to provide necessary
ground reference to wire shielding and/or transducers. The shield block termination method allows multiple
grounds to be terminated directly to a block mounted to the connector backshell assembly. Shielding and
grounding requirements for all other LRUs and connectors are shown in the respective install drawings.
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