Project Old Fart 1960 FJ25 softop (4 Viewers)

[middlecalf]

You put an electronic (of sorts) device - the whole thing - in a liquid ultrasonic bath and now it works?

 

[pardion]

You put an electronic (of sorts) device - the whole thing - in a liquid ultrasonic bath and now it works?

Yes! Its sonic vibrations with added dawn soap and heat displaces gummed up grease and gunk.
A fast rinse in a bucket of water, then a high pressure blow dry with air compressor works well. Then re oil/lube moving parts.
Check out utube videos.