MY REGULATOR HAS A 4 PRONG CONECTOR AND ONE LONE YELLOW WIRE COMING OF IT WITH A SMALL BOX NEXT TO IT (RELAY)?? I SANDED THE FIRE WALL DOWN IT WAS PAINTED AND BACK OF REGULATOR TOO I AM GETTING 14 VOLTS OUT OF THE ALTERNATOR WHEN I START ENGINE I CHECK THE BATTERY AND IT READS JUST 12 VOLTS IT SHOULD SHOW A CHARGE IT DOES NOT ANY BODY KNOW WHAT COLOR WIRES ON THE REGULATOR SHOULD SHOW CONTINUITY OR CAN I TAKE THE REGULATOR TO A AUTO SHOP TO HAVE THEM CHECK IT IS THAT SOME THING THEY WHOLD KNOW WHAT TO DO???