FT-817 +12V ACCessory Connector mod
This 
describes how to modify a Yaesu FT-817, so that the +12V appearing on the accessory connector switches on and off with the radio.
Normally, the +12V appears on the ACC connector when it has internal batteries fitted or DC plugged into the rig.
Accessory Connector
The +13.8V feed appearing on the accessory connector is “always on”. In other … Read more...
