Midland 75822 Channel Mod [work]

You will wire three SPST switches to apply +5V (High) or Ground (Low) to these pins.

There is a lot of confusion online because the 75-822 has gone through several board revisions over the years. A modification that works on a unit manufactured in 2005 might not work on one from 2018. midland 75822 channel mod

on the circuit board (frequently described as the pads at the "10 o'clock position" relative to a white dot). Note that different board revisions (e.g., Rev 2) may have different internal layouts. Accessing Extra Channels: Scrolling: You will wire three SPST switches to apply