Help! I have a 1972 Mercury 500, 50hp motor. I had to order a new wiring harness and I have no diagram to connect the wires. If anyone can help please write back.
Howdy, T Presnell.<br /><br />You need a Repair Manual. It will have the correct diagrams for you, as well as any other service info you need in the future.<br /><br />Click on Repair Manuals at the bottom of the page.<br /><br />Good luck.