Originally Posted by
turboken
i have a booster hooked up it powers the receiver and servo fine but speedo wont come on then i tried a 2s and it came on? may be the speedo has a low voltage safty?
What booster is it? It could be the booster. I had a Novak Smart Boost that has the voltage safety on it and it didn't work with my Tekin RS. However, I noticed that the new Novak booster doesn't have the low voltage safety, so that one may work.