Posted by: SteveW
« on: June 01, 2014, 06:48:13 AM »The 18 is fine for a short jumper. A good ground is very important. I am an electrical contractor and do not like vehicle wiring. You have your harness but Vintage Wiring of Maine makes top notch stuff. He made me one with 2 tail lights and turn parking set up and a tail for a trailer.