Quote from: madbroulton on May 01, 2022, 07:27:28 PM
I just bought a RR+ and was dissapointed in the "premium" light, I though something was wrong with it as it only had a small trapezoid of light ...  I bought a (pair of) LED lightbar(s) off amazon that were listed as 9v-30v (12v) and I also bought a DC/DC stepdown converter from 48v to 12v, thinking and learning that it was essential. But today as I was going to install I thought I'd try going directly to the headlight circuit and If I ruined the LED I'd still have another to hook up correctly... to my surprise the light works just fine, no buck/stepdown converter needed... 

Now, I'm not sure that this is OK or if I'm burning the LED's up faster or if it is dangerous to do this (I cant find anything online). but it seems to be working.... Please chime in and tell me if im crazy!

Links to the Light: https://amzn.to/3FWLYZM
Converter: https://amzn.to/3wvdCsh
2 Pin Plug: https://amzn.to/3wjCUuy

You hooked it up directly to the rad 2pin headlight connection?  I have heard of people frying their light circuit on the Rad controller doing this, I have also seen people get away just fine using 13W light bars (which is o.25 amps at 48v, or 2.5x the supposed capacity of the light circuit on the Rad controller).

I just ordered a DATEx3 to link my batteries an I am hooking up a 12v 20amp step down convertor from one of the extra out ports.  I am going to add a 12v horn and blinker signals, but I want to leave the tail light as is.

I am trying to figure out if I can use a 48v 0.1a relay or a 12v 1.0a relay controlled by the stock Rad controller light switch to turn on a 12v light powered from the step down convertor.  Does anybody know if this would be an ok setup?  The other option I am seeing online says to maybe use an optocoupler.  I am not an electrical engineer though and I am not sure if either of these options is easy or safe.