02-12-2018, 11:10 PM
I always use a digital volt meter to test a battery charger. With the engine and charger OFF take a reading on each battery. It should jump up to 13.8 volts when the charger is turned ON. If there is an isolator in the circuit you will loose about a 0.7 volt drop through the diode but you will still see the battery voltage jump up to about 13.1 volts when the charger is ON. Use the same test to check your alternators when the engines are running and shore power is OFF.
If your boat wiring is original you could look at the Tiara DC schematic to see the hook up. Tiara can email you this information.
Capt. George
If your boat wiring is original you could look at the Tiara DC schematic to see the hook up. Tiara can email you this information.
Capt. George
