I just installed the Wig-Wag landing light module ( SP74006-001 ). When I visited the factory Stan and the electronics installer discussed the pros and cons of installing the control in the wing and we were all uncertain as to the
On serial #175 it works. With a slight counterbore on the backside of the mounting hole the unit will secure to the 10-32 drag wire excess length with a 10-32 365 nut.
Connect both grounds to the ground connection on the light. Connect the white/red to the 14V terminal. Splice the red wire and the plane power wire together.
Since I stopped flying at night a long time ago, I don't need the option of flash or constant. I have just one landing light. Great safety feature in the daylight! Jake