STEP 1: Slide switch into base plate until flanged portion of switch rests firmly against plate.
STEP 2: Working from the rear, slide Stop Rails (not shown in diagram-but shown further down) onto switch and fastened with small screws (included). This firmly seats the switch and prevents any sliding or re-positioning of switch.
STEP 3: Insert terminal pins (NAS561C3-10 included) into terminal block of switch.
STEP 4: Connect the proper power source for your panel illumination.
STEP 5: Seat the instrument panel onto the base plate and attach with screws.
STEP 6: Attach panel / switch assembly into overhead panel and attach with DZUS screws.