Quote:
Originally Posted by RV6_flyer
I need to pull out the wiring diagram to tell you which pins but there are two (2) pins on the one of the connectors that MUST be jumper together else the unit will be in SIMULATOR mode.
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Download the manual from Garmin.
Table 3 page 40 says: Pin # 7 Simulator Select simulator mode, connect to ground for normal operation.
There are three pages in the manual that tell you the same thing.
This info is for GX50, GX60, and GX65.
(I know about this because I installed a GX60 8 or 9 years ago and I had the same problem you described.)