"when I've been tuning my apm I've had to change collective settings in the advanced settings menu (I assume we're talking about Collective Min setting), and after changing them and writing them to the APM make sure to reboot as i think it does some…"
"soldering iron will be needed you need to solder the voltage leads from the TM1000 to the pads on ether the battery connector just before the APM power module or to the power module itself."