2007-16 Yamaha G29-Drive - Tow and Run Switch

2 wires come out of that run tow switch. A red wire and a red wire with a yellow stripe. The red wire should be live all the time. So if you place the positive probe from your volt meter on the terminal with the red wire plugged into it and place the negative probe on the last battery in series, negative terminal, you should immediately read 48+ volts. If you don't, then the 3 amp fuse on that red line is blown. If you get voltage there, leave the negative probe of the volt meter where it is, but move the positive probe over to the red wire with the yellow stripe. With the run tow switch on, you should have voltage (48+) here. if you do not get 48 volts or higher here, but you did on the red wire... BAD RUN/TOW!!!