Replacing the old dead kln94 with a gps175. I am using a ksc525a with an IRU525 on the back of it.
Most of the pinout seems pretty strait forward except the connections for the OBS
On the kln94 I Have OBS out, sin, cos and return.
On the GPS 175 I have Rotor H Gnd,Rotor C, Stator G Gnd...