Posted for "Mark & Lisa" <marknlisa@hometel.com>:

Forget wiring two trim switches and their associated relays -- take a look
 at this product (second product from the top).
 
 http://www.periheliondesign.com/moreproducts.htm
 
 Mark & Lisa Sletten
 Legacy FG N828LM
 http://www.legacyfgbuilder.com