Posted for Steve Reeves <sreeves@sc.rr.com>:

 I have a Garmin 327GTX Transponder with an Ameri-King AK-350 Encoder.  No IFR
GPS :( .  They were installed by a reputable avionics shop, but I will check
all connectors on everything next time I am at the hangar.  Thanks again for
the input.
 
 Steve