hi guys, little question would like to know difference between resistor 50w 6ohm and 50w 8ohm... im just installing my led switchback turn signal and i have both resistor set 50w : 6ohm or 8ohm... what's the difference between 6 or 8 ohm... and wich one is the good one to install... 6ohm or 8ohm... ? thanks a lot for your time and help... have ncie day.