Grizzly Electrical & Lighting Voltage Regulator/Rectifier October 7, 2015 I need some help. Can someone explain how To change the voltage regulator on a 2003 Yamaha Grizzly 660? I can see the old one but I don’t see how to get my tools in position to remove it and replace it with the new one. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related