Wiring for Hunter 430
Steve,I don't have a wiring diagram, but the generator on our 430 is wired to the ac grid and yours should be too if it was a factory installation. (For example, do you have the fail proof switches on your electrical panel that allows you to switch from shore power to the genset?)We also have an invertor which can act as a battery charger by diverting any unused ac power to the batteries.On the back of the invertor's remote panel are a series of dip switches (see invertor's instruction manuel)which allows you to set the invertor for the amount of ac power coming into the boat (eg, 15, 20 30 or 50 amp)If you set the switch at 15 amp and you run the reefer and hot water tank (about 15 amps)using the genset, the invertor will not accept any more power from the genset to run anything else or charge the baterries.I only have 15 amps of shore power when I am at the dock so the dip switch must be set at 15 amps. But when we are cruising, I switch the dip switch to 30 amps and the genset works great - heats water, runs the reefer, charges the batteries and occassionally runs the AC.This may be a long shot, but check your dip switches to see if you are set at 15 amps. If so, set them to 30 and see if it makes a difference.Peter MilneS/V Blue Heron