I DID THE 10-18 OPTION WAS A BREEZE,I'AM NOT A MECHANIC,I BELIEVE IT'S ALL IN THE PREP WORK I FOUND ON THIS FORUM-USED EMERY CLOTH TO GET A NEEDLE SHARP POINT ON THE WIRE&PUT ELECTRICAL GREASE ON THE POINTS-PULLED THE THE COVER OFF THE BOX NEXT TO IT TO GET EXTRA WORKING ROOM-PULLED THE BROWN PLUG OUT TO HOLD IN YOUR HAND USE A SMALL 45 DEGREE BEND NEEDLE NOSE PLIERS ONE DIODE ONE TRY 15 MINUTES MAX.