QUOTE: Originally posted by krapug1 Back in the 1970's when MPC first came out with whistles (8206 Steamer), and horns (mostly in dummy GP-20 units), they required the use of a special activator botton that rarely worked correctly, and often burned itself out. I have since had a new sound unit put in my 8206, but I have a group of these dummy GP units that have these horn units in them. any ideas out there on how to get these horn units to work??? Ken
Rob
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