Engine Sensor Installation - Garmin G3X Installation Manual

21.3 Engine Sensor Installation

NOTE
The following sections contain general guidance on engine and airframe sensor
installation. This information is provided for reference only. The installer should always
follow any installation guidance and instructions provided by the applicable engine,
sensor, or kit-plane manufacturer. Additionally, all installation practices should be done
in accordance with AC 43.13-1B.
Section 27, Section 28, Section
the Garmin sensor kits, and for other sensor installations.
21.3.1 CHT (Cylinder Head Temperature)
Type J grounded thermocouple - This type of sensor is typically used on Jabiru engines. See Jabiru
Guidance for thermocouple installation.
Type K grounded thermocouple - This type of sensor is applicable to the Lycoming and Continental
engines and is installed in CHT well.
NOTE
If ungrounded thermocouples are used, the low side must be connected to a GEA 24/
GSU 73 ground pin.
Rotax 965531 CHT Sensor - See Rotax Guidance for CHT Sensor installation.
Rotax 966385 CHT Sensor - See Rotax Guidance for CHT Sensor installation.
190-01115-01
Rev. AA
29, and Section 30
G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation
contain interface drawings for sensor installations using
Page 21-14