Rev. AV Page 26-1
SHIELD TERMINATED TO GROUND
TWISTED SHIELDED 3 CONDUCTOR
SHIELD FLOATS
TWISTED SHIELDED 3 CONDUCTOR
4. SYMBOL DESIGNATIONS
TWISTED SHIELDED PAIR
SHIELD TERMINATED TO GROUND
SHIELD FLOATS
TWISTED SHIELDED PAIR
TWISTED SHIELDED SINGLE CONDUCTOR
SHIELD TERMINATED TO GROUND
SHIELD FLOATS
TWISTED SHIELDED SINGLE CONDUCTOR
1. UNLESS OTHERWISE NOTED, ALL STRANDED WIRE MUST CONFORM TO MIL-W-22759/16 OR EQUIVALENT
2. UNLESS OTHERWISE NOTED, ALL SHIELDED WIRE MUST CONFORM TO MIL-C-27500 OR EQUIVALENT
3. UNLESS OTHERWISE NOTED, ALL WIRES ARE 24 GAUGE MINIMUM.
5. UNLESS OTHERWISE NOTED, ALL SHIELD GROUNDS MUST BE MADE TO THE RESPECTIVE UNIT BACKSHELLS.
ALL OTHER GROUNDS SHOULD BE TERMINATED TO AIRCRAFT GROUND AS CLOSE TO THE RESPECTIVE UNIT AS POSSIBLE.
WIRE SPLICE CONNECTION
COAXIAL CABLE
SHIELD TERMINATED TO GROUND
TWISTED SHIELDED 4 CONDUCTOR
SHIELD FLOATS
TWISTED SHIELDED 4 CONDUCTOR
N/C = NO CONNECTION
S
GARMIN SHIELD BLOCK GROUND
AIRCRAFT GROUND
12. IF MEASURING BATTERY CURRENT, PLACE THE SHUNT BETWEEN THE BATTERY POSITIVE TERMINAL AND THE BATTERY CONTACTOR.
IF MEASURING ALTERNATOR CURRENT, PLACE THE SHUNT BETWEEN THE ALTERNATOR B LEAD AND THE POWER DISTRIBUTION BUS.
7. EI P-300C CAPACITANCE TO FREQUENCY CONVERTERS CAN BE USED FOR MEASUREMENT OF CAPACITIVE FUEL QUANTITY.
9. THE CHANNELS USING FUEL 3 AND FUEL 4 AS PART OF THEIR INPUT NAME CAN BE CONFIGURED TO MEASURE
A RESISTIVE TYPE FUEL QUANTITY SENSOR. RESISTORS MUST BE RATED TO A MINIMUM OF 1/4 WATT. EXTERNAL PULL UP
10. THE CAP 2 / FUEL FLOW 2 CHANNEL CAN OPTIONALLY BE CONFIGURED TO MEASURE EI P-300C FUEL QUANTITY, OR CONFIGURED
TO MEASURE RETURN LINE FUEL FLOW. IF A FUEL FLOW TRANSDUCER IS WIRED TO THIS INPUT THE MEASURED FUEL FLOW
WILL BE SUBTRACTED FROM THE MEASURED FUEL FLOW 1 INPUT AS PART OF A DIFFERENTIAL FUEL FLOW CALCULATION.
8. IF FUEL 1 AND 2 CHANNELS ARE USED FOR RESISTIVE TYPE FUEL QUANTITY INPUTS, THE ASSOCIATED FUEL PULL UP PINS
MUST BE WIRED TO THE +10V TRANSDUCER POWER OUTPUT AS SHOWN FOR PROPER OPERATION. FUEL PULL UP PINS
6. UP TO 4 FUEL QUANTITY GAUGES CAN BE CONFIGURED.
13. WHEN USING A DISCRETE INPUT FOR ITEMS FOR DETECTING ITEMS SUCH AS CANOPY CLOSURE, IT IS RECOMMENDED TO USE THE
GROUNDED STATE AS THE NORMAL SWITCH POSITION (E.G. CANOPY CLOSED) TO AVOID THE POSSIBILITY OF A LATENT FAILURE SUCH
AS A BROKEN WIRE OR MICROSWITCH. SEE THE G3X INSTALLATION MANUAL FOR ADDITIONAL DETAILS ON CONFIGURATION OF
DISCRETE INPUTS.
11. THE CHANNELS USING GP (GENERAL PURPOSE) AS PART OF THEIR INPUT NAME CAN BE CONFIGURED TO MEASURE AMPS THROUGH
A HALL EFFECT TRANSDUCER. THE CHANNEL WILL BE CONFIGURED TO EXPECT A 15.9 MV / AMP SIGNAL. SEE THE G3X INSTALLATION
14. FLAPS/TRIM INPUTS CAN BE WIRED TO ANY AVAILABLE GP INPUT.
MANUAL FOR ADDITIONAL GUIDANCE ON CONFIGURATION AND CALIBRATION OF A HALL EFFECT TRANSDUCER.
15. THE USE OF "XX" AS A GROUND CONNECTION PIN NUMBER ON THIS DRAWING INDICATES THE SENSOR GROUND CAN BE TIED TO ANY
SIGNAL GROUND OR TRANSDUCER LOW GROUND PIN ON THE GSU 73 J732 CONNECTOR. MULTIPLE SENSOR GROUNDS MAY NEED
TO BE TIED TO A SINGLE GSU 73 GROUND PIN.
16. FOLLOW THIS WIRING GUIDANCE IF USING UMA PRESSURE TRANSDUCERS INSTEAD OF THE TRANSDUCERS PROVIDED IN THE GARMIN SENSOR KIT.
17. WHEN A DISCRETE OUTPUT IS ACTIVE, IT IS PULLED TO GROUND AND CAN SINK UP TO 20 MA OF CURRENT MAXIMUM. SEE THE
G3X INSTALLATION MANUAL FOR ADDITIONAL DETAILS ON USE OF DISCRETE OUTPUTS.
RESISTORS SHOULD NOT BE USED IF INSTALLING THE SKYSPORTS FUEL PROBES. IF USING WESTACH SENDERS, VERIFY THE
SHOULD NOT BE USED IF INSTALLING THE SKYSPORTS OR WESTACH FUEL SENDERS. IF USING WESTACH SENDERS, VERIFY THE
SPECIFIC MODEL USED IS COMPATIBLE WITH +12VDC AND PROVIDES A 0-5V OUTPUT.
SPECIFIC MODEL USED IS COMPATIBLE WITH +12VDC AND PROVIDES A 0-5V OUTPUT.
18. WHEN USING THE GP6 AND GP7 INPUTS FOR GENERAL PURPOSE VOLTAGE SENSING, INCLUDING POSITION SENSORS AND USER-DEFINED
ANALOG PARAMETERS, THE CORRESPONDING GP6 LO AND GP7 LO PIN MUST BE CONNECTED TO GROUND.
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