Understand, troubleshoot, repair, and upgrade your boat's electrical systems

Frustrated by the high cost of basic electrical work but nervous about tackling such projects yourself? Get sound advice and guidance from author Ed Sherman, who wrote and teaches the American Boat & Yacht Council's certification program for electrical technicians. In Powerboater's Guide to Electrical Systems, he combines basic theory with step-by-step directions for troubleshooting problems, making repairs, and installing new equipment. Learn to

• Draw up a wiring diagram for your boat...