Well that's what the general consensus seems to point to and I'm having no CCU or radio, so......
The switch and other parts should be to me tomorrow, here's hoping for something simple

The car will be a track beater so I don't really care thaaaat much about CCu and a radio, but I don't need one problem leading to other, especially while on track!
I'll post what I find when I'm done, maybe it will help others.....