Older versions of the gwx 75 installation manual may incorrectly show terminal 11 as “GND” when it is actually “+5V out” – always cross-check with the unit’s silk screen.
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Proper wire harness construction is vital. Use automatic wire strippers to avoid damaging core wires and ensure all shield terminations are gathered and affixed to the backshell as per the manual's specifications. 4. Configuration and Calibration Older versions of the gwx 75 installation manual