Reply to "Auxilliary tender conversion to PS3"

It is easy enough to do.  If PS-1 tender originally you do need the PS-2/3 coupler.  IF PS-2 type tender it will already have the correct coupler.

You just need to trace out the aux tether of the PS-3 tender you are connecting this too.  You need to ensure you get the coupler wires to the coupler and Reverse Light wires to the Light, polarity matters for LED.  That is all that is involved. 

Now some tenders have switch to select coupler, and others use a Front Coupler to activate the Aux tender coupler.  Again, look at what is in tender that you want to mate too.  G