<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_1_1415404843563_23542">Muir "idiot" book says one "must" polarize if new (or "new"?) Voltage Regular or new (or "new"?) generator installed. Don't know if this applies to putting in used parts or not.<br></div><div id="yui_3_16_0_1_1415404843563_23589" dir="ltr"><br></div><div id="yui_3_16_0_1_1415404843563_23590" dir="ltr">Polarize is about clamp wire from hot battery terminal to hot generator connection...and another clamp wire between ground at battery and ground at generator. I guess this is with engine off...and just for a second or so...but dunno.<br></div><div id="yui_3_16_0_1_1415404843563_23598" dir="ltr"><br></div><div id="yui_3_16_0_1_1415404843563_23599" dir="ltr">What does "must" mean? What effects if that's NOT done? Damage? Performance?<br></div><div id="yui_3_16_0_1_1415404843563_23618" dir="ltr"><br></div><div id="yui_3_16_0_1_1415404843563_23619" dir="ltr">What if you've been driving for some time without having done that? Better late than never?</div><div dir="ltr"><br></div><div dir="ltr"><br></div></div></body></html>