hı friends, I use powerbox evolution and 6V spark switch. Can I connect spark switch's ingition cable to powerbox any empty channnel, because; I don't want to connect extra battery to plane. this connection type can be problem in the future for powerbox ? have a good day
if you don´t use a seperate battery you connect the "dirty" ignition gnd pysically to the receivers. This may bring interference or static discharge into the receiver. That´s the reason why the SparkSwitch has a optical isolation inside.