Folks, I'm also having this problem. I switched to LED position/strobe lights several years ago and annunciator worked fine (gear down light would dim when panel lights were on and be plenty bright for full daylight, when panel lights would be off). In the last year or so, some of the annunciator lights (gear in partucular) started being intermittent. After resesraching, I sent the annuciator to Avionics International for overhaul, as suggested by my shop. They did their normnal overhaul and sent back, and the gear light was permanently dim, with panel lights on or off. I talked extenmsively Avionics International (both Ken Snowden and Ken Pethe, CEO) who were super diligent, and earnestly tried many things and lots of bench tests. Sadly when the sent the unit back to me again, the gear light remains permanently dim. I'm trying again as I head into this years' annual.
Keen to hear of any other ewxperiences on this issue.
Thanks. JP