ultrasonic

I am going to start cleaning up all the small bits from my car (nuts, bolts, washers etc) to re-plate them afterwards. An ultrasonic cleaner has been recommended - does anyone have any experience and recommendation for a suitable one (hobby rather than professional quality). I am going to...

Hi folks, Bit of a long shot here. My recent acquisition, a 1990 500SL has 2 ultrasonic detectors in the car, one on each A pillar. They are little black sensors. I believe they are part of the standard alarm system as fitted to the car. Unfortunately, one of the little holders has...