Hello. I am building a DA42 simulator at the moment and I have found useful resources. I thought I will share them with you all.
-- DA42 maintenance manual
-- Starter Keyswitch Cole Hersee 75705-01
-- Engine Master switch MS24660-23D (warning; expensive; very similar alternatives can be found easily)
-- Rocker switch for ext. lights, etc. K1ACAAAAAA
-- Wide Rocker switch for Pitot heat K2ACHAAAAA
-- Master Battery switch (warning; expensive)
-- Alternator switch
-- Elec. Emergency switch (can be found elsewhere, part name is MS24524-23)
-- ECU Test/Gear Alarm Test pushbutton
-- Interior Light dimmer knobs