Quote:
Originally Posted by SpyderMike
Go search "PWM controller" on Amazon and there are several for ~$10. I used one version on my niece's power wheels electric cars and they have really worked well.
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But the trick is to be able to control The PWM controllers with the existing Porsche Rheostat. Not a simple feature because the total resistance is only a couple of ohms. The other challenge is to avoid any HF switching noise that can disturb the audio system. I read through the rennlist thread and the guy who described and developed his system there seemed to be on top of all the issues.